# A097817 (b-file synthesized from sequence entry) 0 1 1 5 2 34 3 314 4 3784 5 56792 6 1022320 7 21468848 8 515252608 9 13911820928 10 417354628864 11 13772702754560 12 495817299168256 13 19336874667570176 14 812148736037963776 15 36546693121708402688 16 1754241269842003394560