# A076684 (b-file synthesized from sequence entry) 0 1 1 33 2 609 3 10945 4 196417 5 3524577 6 63245985 7 1134903169 8 20365011073 9 365435296161 10 6557470319841 11 117669030460993 12 2111485077978049 13 37889062373143905 14 679891637638612257 15 12200160415121876737