# A030941 (b-file synthesized from sequence entry) 1 1 2 3 3 11 4 45 5 226 6 1360 7 9523 8 76188 9 685696 10 6856969 11 75426669 12 905120038 13 11766560499 14 164731846995 15 2470977704933 16 39535643278936 17 672105935741920 18 12097906843354574 19 229860230023736917 20 4597204600474738355