# A097680 (b-file synthesized from sequence entry) 0 1 1 5 2 25 3 125 4 625 5 3245 6 19825 7 162125 8 1650625 9 17703125 10 186644425 11 2032320125 12 25569960625 13 382772328125 14 6166860390625 15 98093486946125 16 1555728351450625 17 26765871718953125 18 527380555479765625 19 11241893092061328125