# A012817 (b-file synthesized from sequence entry) 0 1 1 3 2 5 3 -217 4 2505 5 765963 6 -6838195 7 -9335128657 8 286658869905 9 407628336475923 10 -19130907180121195 11 -42164783730598660297 12 3124552441785986300505 13 9154657902519091515622683