A251540 - OEIS

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A251540

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

2

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

(list; graph; refs; listen; history; text; internal format)

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