# A045600 (b-file synthesized from sequence entry) 1 1 2 13 3 169 4 2197 5 28561 6 371293 7 2684903 8 4826809 9 34903739 10 62748517 11 257734633 12 453748607 13 815730721 14 3185696137 15 3350550229 16 5898731891 17 10604499373 18 41414049781 19 42655053961 20 43557152977 21 76683514583