# A028198 (b-file synthesized from sequence entry) 0 1 1 37 2 870 3 16610 4 281171 5 4403367 6 65339080 7 932218420 8 12912631941 9 174806957897 10 2323925673290 11 30446318392230 12 394142295428311 13 5052076439311627 14 64222440261259500 15 810705252920074040