# A024379 (b-file synthesized from sequence entry) 1 45 2 812 3 5130 4 20460 5 62335 6 158760 7 355572 8 722760 9 1361745 10 2413620 11 4068350 12 6574932 13 10252515 14 15502480 15 22821480 16 32815440 17 46214517 18 63889020 19 86866290 20 116348540 21 153731655 22 200624952 23 258871900 24 330571800 25 418102425 26 524143620