# A294356 (b-file synthesized from sequence entry) 0 1 1 -1 2 1 3 -5 4 23 5 -119 6 619 7 -4759 8 48145 9 -476657 10 4249961 11 -48286061 12 691331431 13 -9132207655 14 117900772963 15 -2025161870159 16 37607411624609 17 -628236985455329 18 10768798391659345 19 -215626810984559317 20 4751529623277906871 21 -105427459848063440471