A251540 Odd numbers k such that A098548(k) is not a multiple of 3.

1, 493, 495, 497, 499, 1085, 1087, 1685, 1687, 2283, 2285, 2287, 2873, 2875, 3471, 3473, 4673, 4675, 5271, 5273, 5871, 5873, 6469, 6471, 7069, 7071, 7669, 7671, 8267, 8269, 8271, 8273, 8859, 8861, 9457, 9459

Offset

1,2

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

Prog

(Haskell)
a251540 n = a251540_list !! (n-1)
a251540_list = filter ((> 0) . flip mod 3 . a098548) [1, 3 ..]
-- Reinhard Zumkeller, Dec 08 2014

Crossrefs

Cf. A098548, A001651, A011655.

Sequence in context: A007242 A198531 A300058 * A116207 A363391 A264327

Adjacent sequences: A251537 A251538 A251539 * A251541 A251542 A251543

Keyword

nonn

Author

N. J. A. Sloane, Dec 07 2014

Status

approved