# A341106 (b-file synthesized from sequence entry) 0 1 1 -1 2 0 3 6 4 -12 5 -144 6 1080 7 5184 8 -127008 9 95904 10 19077120 11 -154929024 12 -3210337152 13 70284900096 14 391453171200 15 -30354545511936 16 153830450875392 17 13189520200402944 18 -244127117929789440 19 -5109022268709986304 20 237988748560571301888 21 571783124036801765376