# A002749 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 11 4 -7 5 389 6 -1031 7 19039 8 -24431 9 1023497 10 -4044079 11 225738611 12 -1711460279 13 29974303501 14 4656373513 15 3798866053319 16 -34131041040991 17 2131052083901969 18 -23678368533941471 19 832900320313739227 20 -4752766287768240359 21 148482851420849206421