# A115461 (b-file synthesized from sequence entry) 0 1 1 12 2 273 3 25520 4 6778629 5 5132148528 6 11368775698280 7 74897449398451680 8 1476178370884382958936 9 87205387550224830516286800 10 15450442981642705273095610563240 11 8211400746584626963688710296061894800