A259605 (A259565(n) + A259565(n+1)) / 2.

2, 5, 6, 7, 10, 13, 14, 15, 19, 22, 21, 22, 26, 29, 30, 31, 34, 37, 38, 39, 42, 46, 47, 46, 51, 53, 55, 58, 55, 57, 62, 65, 66, 67, 70, 73, 74, 77, 79, 78, 82, 86, 85, 86, 91, 94, 93, 94, 101, 102, 101, 102, 105, 110, 109, 110, 114, 118, 119, 118, 122, 127

Offset

1,1

Comments

All terms are squarefree by definition of A259565.

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Prog

(Haskell)
a259605 n = a259605_list !! (n-1)
a259605_list = zipWith ((flip div 2 .) . (+))
                       a259565_list $ tail a259565_list

Crossrefs

Cf. A259565, A005117, A086517, A259602, A259603, A259604.

Sequence in context: A002157 A050002 A047578 * A367695 A284393 A287366

Adjacent sequences: A259602 A259603 A259604 * A259606 A259607 A259608

Keyword

nonn

Author

Reinhard Zumkeller, Jun 30 2015

Status

approved