# A175936 (b-file synthesized from sequence entry) 0 1 1 2 2 10 3 62 4 433 5 3262 6 25784 7 210892 8 1769793 9 15152252 10 131826824 11 1162114368 12 10357863128 13 93183955872 14 845064072102 15 7717150002692 16 70903816529979 17 654967192303546 18 6079243786794502 19 56668633625876866 20 530291242720187193