# A362355 (b-file synthesized from sequence entry) 0 1 1 4 2 24 3 196 4 2048 5 26244 6 400000 7 7086244 8 143327232 9 3262922884 10 82644187136 11 2306601562500 12 70368744177664 13 2330488948919044 14 83291859462684672 15 3196026743131536484 16 131072000000000000000 17 5722274760967941313284 18 264999811677837732610048