# A057916 (b-file synthesized from sequence entry) 1 0 2 1 3 4 4 5 5 6 6 10 7 18 8 30 9 34 10 53 11 256 12 304 13 309 14 400 15 468 16 766 17 1470 18 2125 19 2238 20 2404 21 4708 22 5884 23 6264 24 8676