<?php
$weight = 500;
$cost=0;
  echo "1:0,";
for ($i=0; $i<=200; $i++)
{
$cost = $i * 13 + 37;
  echo $weight;
  echo ":";
  echo $cost;
  echo ",";
  $weight=$weight+500;
}
echo "1000000:10000"
?>

1:0,500:37,1000:50,1500:63,2000:76,2500:89,3000:102,3500:115,4000:128,4500:141,5000:154,5500:167,6000:180,6500:193,7000:206,7500:219,8000:232,8500:245,9000:258,9500:271,10000:284,10500:297,11000:310,11500:323,12000:336,12500:349,13000:362,13500:375,14000:388,14500:401,15000:414,15500:427,16000:440,16500:453,17000:466,17500:479,18000:492,18500:505,19000:518,19500:531,20000:544,20500:557,21000:570,21500:583,22000:596,22500:609,23000:622,23500:635,24000:648,24500:661,25000:674,25500:687,26000:700,26500:713,27000:726,27500:739,28000:752,28500:765,29000:778,29500:791,30000:804,30500:817,31000:830,31500:843,32000:856,32500:869,33000:882,33500:895,34000:908,34500:921,35000:934,35500:947,36000:960,36500:973,37000:986,37500:999,38000:1012,38500:1025,39000:1038,39500:1051,40000:1064,40500:1077,41000:1090,41500:1103,42000:1116,42500:1129,43000:1142,43500:1155,44000:1168,44500:1181,45000:1194,45500:1207,46000:1220,46500:1233,47000:1246,47500:1259,48000:1272,48500:1285,49000:1298,49500:1311,50000:1324,50500:1337,51000:1350,51500:1363,52000:1376,52500:1389,53000:1402,53500:1415,54000:1428,54500:1441,55000:1454,55500:1467,56000:1480,56500:1493,57000:1506,57500:1519,58000:1532,58500:1545,59000:1558,59500:1571,60000:1584,60500:1597,61000:1610,61500:1623,62000:1636,62500:1649,63000:1662,63500:1675,64000:1688,64500:1701,65000:1714,65500:1727,66000:1740,66500:1753,67000:1766,67500:1779,68000:1792,68500:1805,69000:1818,69500:1831,70000:1844,70500:1857,71000:1870,71500:1883,72000:1896,72500:1909,73000:1922,73500:1935,74000:1948,74500:1961,75000:1974,75500:1987,76000:2000,76500:2013,77000:2026,77500:2039,78000:2052,78500:2065,79000:2078,79500:2091,80000:2104,80500:2117,81000:2130,81500:2143,82000:2156,82500:2169,83000:2182,83500:2195,84000:2208,84500:2221,85000:2234,85500:2247,86000:2260,86500:2273,87000:2286,87500:2299,88000:2312,88500:2325,89000:2338,89500:2351,90000:2364,90500:2377,91000:2390,91500:2403,92000:2416,92500:2429,93000:2442,93500:2455,94000:2468,94500:2481,95000:2494,95500:2507,96000:2520,96500:2533,97000:2546,97500:2559,98000:2572,98500:2585,99000:2598,99500:2611,100000:2624,100500:2637,1000000:10000