# A019186 (b-file synthesized from sequence entry) 3 0 4 0 5 2 6 8 7 6 8 16 9 58 10 120 11 250 12 672 13 1616 14 3754 15 9534 16 23898 17 59600 18 151961 19 393164 20 1015022 21 2648698 22 6968726 23 18376842 24 48656345 25 129493884 26 345291813 27 922507740 28 2471468426 29 6633836472 30 17830265435 31 48005356190