# A095937 (b-file synthesized from sequence entry) 1 1 2 2 3 10 4 91 5 1115 6 16740 7 296676 8 6061477 9 140279205 10 3627063606 11 103627063606 12 3242055440327 13 110235260819399 14 4047611646518688 15 159615707204330912 16 6728024062917221537 17 301875929242270047393 18 14364960381309995038402