# A359877 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 56 5 108 6 5536 7 28074040 8 39648 9 147312 10 18566888967365603514688 11 9966792788887776 12 2775641472 13 2505471397838180985096739296 14 1445523368993397560000765219760086502994234237205516083525719052320 15 44092571484448511101335177770183225655413760