# A020931 (b-file synthesized from sequence entry) 0 1 1 -38 2 646 3 -6460 4 41990 5 -184756 6 554268 7 -1108536 8 1385670 9 -923780 10 184756 11 33592 12 16796 13 12920 14 12920 15 15504 16 21318 17 32604 18 54340 19 97240 20 184756 21 369512 22 772616 23 1679600 24 3779100 25 8767512 26 20907144 27 51106352 28 127765880 29 326023280 30 847660528 31 2242198816