# A331836 (b-file synthesized from sequence entry) 1 1 2 5 3 22 4 117 5 678 6 4162 7 26588 8 174925 9 1177158 10 8064854 11 56062804 12 394443458 13 2803490524 14 20098913252 15 145175116408 16 1055463627197 17 7717664983366 18 56720231324046 19 418757618733092 20 3104269959560566