# A351333 (b-file synthesized from sequence entry) 0 1 1 -1 2 9 3 -188 4 7210 5 -442534 6 39778322 7 -4926514200 8 804271290024 9 -167367096770256 10 43244394345493968 11 -13583108127289832592 12 5097183064576208028096 13 -2252211248747050526401296 14 1157380447302779717382178416 15 -684423139836843936246492092928