# A174122 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 18 4 105 5 946 6 12589 7 240482 8 6526289 9 250119330 10 13512676053 11 1027978959346 12 110155994874553 13 16631509898085074 14 3540687511804739837 15 1063409634646294541250 16 450894476653951603096737