# A173414 (b-file synthesized from sequence entry) 3 1 4 4 5 15 6 47 7 143 8 412 9 1157 10 3170 11 8534 12 22631 13 59295 14 153768 15 395297 16 1008606 17 2556663 18 6443702 19 16158018 20 40334613 21 100277824 22 248396782 23 613265776 24 1509538293 25 3705476893 26 9072944868 27 22163755695 28 54026509101 29 131433905615