# A062991 (b-file synthesized from sequence entry) 0 1 1 2 2 -1 3 5 4 -6 5 2 6 14 7 -28 8 20 9 -5 10 42 11 -120 12 135 13 -70 14 14 15 132 16 -495 17 770 18 -616 19 252 20 -42 21 429 22 -2002 23 4004 24 -4368 25 2730 26 -924 27 132 28 1430 29 -8008 30 19656 31 -27300 32 23100 33 -11880 34 3432 35 -429 36 4862 37 -31824 38 92820 39 -157080 40 168300 41 -116688 42 51051 43 -12870 44 1430