# A126494 (b-file synthesized from sequence entry) 0 1 1 26 2 170 3 1134 4 7618 5 51394 6 347682 7 2356702 8 15997846 9 108719102 10 739490656 11 5033426494 12 34279838804 13 233566488998 14 1591993821168 15 10854281793638 16 74022763799812 17 504910336091974 18 3444546058508588 19 23502038289723148