# A038165 (b-file synthesized from sequence entry) 0 1 1 5 2 20 3 60 4 160 5 376 6 820 7 1660 8 3190 9 5830 10 10252 11 17380 12 28600 13 45760 14 71500 15 109252 16 163735 17 240955 18 348920 19 497640 20 700128 21 972400 22 1334840 23 1812200 24 2435420 25 3241628 26 4276520 27 5594360 28 7261040 29 9354080 30 11966504 31 15206840