# A009500 (b-file synthesized from sequence entry) 0 1 1 0 2 -12 3 -80 4 4368 5 194048 6 -3700928 7 -1030112512 8 -37188370176 9 9180483559424 10 1551617290925056 11 -57029184668422144 12 -64584465763801165824 13 -7584064591475257901056 14 2920991959572460076482560