# A109391 (b-file synthesized from sequence entry) 0 0 1 1 2 12 3 162 4 2560 5 46875 6 979776 7 23059204 8 603979776 9 17433922005 10 550000000000 11 18830570260326 12 695455834963968 13 27561634699895023 14 1166760716683591680 15 52547266845703125000 16 2508757194024499019776