# A092233 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 5 6 9 7 32 8 243 9 4096 10 59049 11 177147 12 134217728 13 31381059609 14 282429536481 15 288230376151711744 16 450283905890997363 17 8862938119652501095929 18 2153693963075557766310747