# A017418 (b-file synthesized from sequence entry) 0 64 1 4826809 2 191102976 3 1838265625 4 9474296896 5 34296447249 6 98867482624 7 243087455521 8 531441000000 9 1061520150601 10 1973822685184 11 3462825991689 12 5789336458816 13 9294114390625 14 14412774445056