# A037765 (b-file synthesized from sequence entry) 1 3 2 12 3 50 4 201 5 807 6 3228 7 12914 8 51657 9 206631 10 826524 11 3306098 12 13224393 13 52897575 14 211590300 15 846361202 16 3385444809 17 13541779239 18 54167116956 19 216668467826 20 866673871305 21 3466695485223 22 13866781940892 23 55467127763570