# A134093 (b-file synthesized from sequence entry) 0 1 1 4 2 30 3 215 4 1729 5 15176 6 143814 7 1462995 8 15876410 9 182811992 10 2223580281 11 28458251185 12 381943459065 13 5359649816728 14 78430018675440 15 1194057733357517 16 18873870914263424 17 309154787519651284 18 5238840625331179517