# A146606 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 3 10 7 11 13 12 23 13 55 14 135 15 381 16 1155 17 4259 18 15095 19 63361 20 271287 21 1364019 22 7046127 23 42849769 24 267209541 25 1961120087 26 14636956303 27 129172123843 28 1159685046407 29 12305875469689