# A173562 (b-file synthesized from sequence entry) 0 0 1 1 2 4 3 9 4 17 5 26 6 37 7 50 8 66 9 83 10 102 11 123 12 147 13 172 14 199 15 228 16 260 17 293 18 328 19 365 20 405 21 446 22 489 23 534 24 582 25 631 26 682 27 735 28 791 29 848 30 907 31 968 32 1032 33 1097 34 1164 35 1233 36 1305 37 1378 38 1453 39 1530 40 1610 41 1691 42 1774 43 1859 44 1947 45 2036 46 2127 47 2220 48 2316 49 2413 50 2512