# A048065 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 5 7 15 8 30 9 70 10 105 11 213 12 286 13 558 14 720 15 1500 16 1935 17 4455 18 5775 19 13895 20 17876 21 42484 22 53859 23 124761 24 156065 25 357825 26 444015 27 1028500 28 1272155 29 3002795 30 3709043 31 8871603 32 10935267 33 26243427