# A357832 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 2 4 8 5 44 6 290 7 2194 8 18690 9 177072 10 1848048 11 21079332 12 260998584 13 3487438476 14 50030096844 15 767092681992 16 12520306878720 17 216760973139072 18 3967857438205320 19 76575231882844056 20 1553981718941428824 21 33082675130470434336 22 737250032464248840192