# A120600 (b-file synthesized from sequence entry) 0 1 1 1 2 15 3 470 4 18390 5 805806 6 37828981 7 1860433080 8 94614523740 9 4935081398830 10 262560448214031 11 14193030016877406 12 777315341935068820 13 43039297954660894560 14 2405249540028525971070 15 135492504636185052358656