Duplicate of A067605.

Terms

a(0) =2a(1) =6a(2) =11a(3) =24a(4) =42a(5) =121a(6) =30a(7) =319a(8) =99a(9) =1592a(10) =344a(11) =574a(12) =3786a(13) =4196a(14) =650a(15) =4619a(16) =217a(17) =1532