# A024772 (b-file synthesized from sequence entry) 0 1 1 29 2 554 3 8794 4 125715 5 1681143 6 21476668 7 265496948 8 3202922789 9 37927649617 10 442690769742 11 5108795150862 12 58428053357623 13 663418639575851 14 7489021847982176 15 84142202352592936 16 941752569789292617