# A028176 (b-file synthesized from sequence entry) 0 1 1 32 2 655 3 10970 4 164281 5 2296172 6 30679075 7 397562990 8 5043607261 9 63029650112 10 779227037095 11 9558498208610 12 116583782365441 13 1416013883792852 14 17145682731588715 15 207132506435751830