# A013411 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 -90 4 2520 5 -368550 6 31808700 7 -7577019450 8 1338322986000 9 -493346972868750 10 147490229469082500 11 -78563939419056341250 12 35612399584500073335000 13 -25974260672177759785593750