# A346430 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 21 4 149 5 1317 6 13985 7 173207 8 2451807 9 39043963 10 690844441 11 13446183857 12 285500221447 13 6567135007015 14 162678487750465 15 4317650962178897 16 122234460353464081 17 3676789159574231397 18 117102826395968235853 19 3936834192059910096205 20 139316727760914366716635