# A056420 (b-file synthesized from sequence entry) 1 3 2 3 3 7 4 15 5 21 6 79 7 75 8 306 9 433 10 1605 11 1695 12 12662 13 10461 14 57759 15 122791 16 347895 17 476049 18 3596917 19 3401967 20 22005312 21 41597289 22 142675887 23 186077883 24 1476684552 25 1694657979 26 8147271993 27 15690973311