# A013112 (b-file synthesized from sequence entry) 0 1 1 4 2 -8 3 70 4 -920 5 -28550 6 10642900 7 -2554095050 8 685535422000 9 -219648785612750 10 84602550046787500 11 -38917136125065331250 12 21166653214210218325000 13 -13470291608750677967093750