# A046456 (b-file synthesized from sequence entry) 1 128 2 2187 3 78125 4 496875 5 823543 6 1908795 7 3680733 8 6280989 9 11447205 10 11639595 11 14480427 12 15839397 13 15988245 14 17998875 15 19165069 16 19487171 17 22073667 18 22444653 19 27340845 20 30830163 21 35277795 22 38975433 23 44183867