# A125359 (b-file synthesized from sequence entry) 0 1 1 22 2 178 3 1162 4 8858 5 68622 6 544618 7 4381798 8 35637914 9 292226842 10 2411821538 11 20009585090 12 166720115762 13 1394041188406 14 11690891947304 15 98287713954492 16 828060495187498 17 6988697529064642 18 59072380033613392 19 499951394598901592