# A132847 (b-file synthesized from sequence entry) 0 1 1 2 2 9 3 42 4 270 5 1785 6 13657 7 108606 8 943677 9 8534290 10 82099523 11 819569205 12 8575756709 13 92782439316 14 1042810799150 15 12077608219410 16 144446181373140 17 1774918640030754 18 22425992057948620 19 290381947113460848