# A374069 (b-file synthesized from sequence entry) 0 1 1 1 2 17 3 261 4 8393 5 356618 6 20355656 7 1498310848 8 141920467648 9 16632516446720 10 2345863766165536 11 394823892589979472 12 78653652638945445776 13 18216229760067802231488 14 4833321599094565894295552 15 1462259517864407783009737728 16 498935238969900279377677930496 17 190227655207141695023381769820864