# A128412 (b-file synthesized from sequence entry) 0 1 1 -2 2 1 3 4 4 -8 5 1 6 -8 7 36 8 -12 9 1 10 16 11 -128 12 80 13 -16 14 1 15 -32 16 400 17 -400 18 140 19 -20 20 1 21 64 22 -1152 23 1680 24 -896 25 216 26 -24 27 1 28 -128 29 3136 30 -6272 31 4704 32 -1680 33 308 34 -28 35 1 36 256 37 -8192 38 21504 39 -21504 40 10560 41 -2816