# A006959 (b-file synthesized from sequence entry) 1 1 2 6 3 65 4 1092 5 25272 6 749034 7 27108440 8 1159194472 9 57190952440 10 3197759266112 11 199831490658912 12 13802087001056704 13 1044075809166477232 14 85847947926743165952 15 7623428923066363040672 16 727116625218755662644416