# A097234 (b-file synthesized from sequence entry) -1 -1 0 2 1 13 2 19 3 29 4 13 5 254983 6 2593 7 137561 8 65082637 9 7254146201 10 390121079 11 1870450393439 12 109336409527 13 10204882558837 14 163634261622076159 15 75160931938786203761 16 31012919260504739 17 1378721049267804056272181