# A132836 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 11 5 29 6 77 7 211 8 582 9 1618 10 4539 11 12805 12 36306 13 103400 14 295576 15 847661 16 2437880 17 7028919 18 20310976 19 58808175 20 170577566 21 495574655 22 1441899589 23 4200913967 24 12254244406 25 35786588014 26 104618152761 27 306135037294