# A012210 (b-file synthesized from sequence entry) 0 1 1 1 2 -15 3 609 4 -48031 5 6247681 6 -1214813487 7 330587407201 8 -120086685689663 9 56186566871496961 10 -32929237073496552527 11 23637878950680710828385 12 -20404361373477159717443295