# A118803 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 33 4 237 5 1801 6 14197 7 114609 8 940445 9 7809273 10 65437541 11 552276577 12 4688278093 13 39991233641 14 342517093333 15 2943809545105 16 25377201555325 17 219341012215385 18 1900216743054021 19 16496109719061825 20 143469924189693229