# A059824 (b-file synthesized from sequence entry) 0 0 1 1 2 8 3 35 4 119 5 321 6 784 7 1672 8 3389 9 6280 10 11285 11 18971 12 31383 13 49162 14 76322 15 113494 16 167785 17 239086 18 340355 19 468636 20 646058 21 865724 22 1161936 23 1520105 24 1997015 25 2559758 26 3297599 27 4157592 28 5266644 29 6537922 30 8168293 31 10003615