# A088274 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 8 5 9 6 24 7 60 8 110 9 134 10 222 11 412 12 700 13 999 14 1383 15 5076 16 5543 17 6344 18 14600 19 15093 20 21717 21 23636 22 30221 23 50711 24 221628 25 350071 26 371696 27 487291 28 995256 29 1043372