# A144636 (b-file synthesized from sequence entry) 0 0 1 1 2 -1 3 2 4 -5 5 10 6 35 7 -910 8 11935 9 -134750 10 1376375 11 -11761750 12 48923875 13 1209057850 14 -48943019125 15 1218200233250 16 -25136059573625 17 441933961719250 18 -5922915844470625 19 18956805373756250 20 2611377778731596875