A251238 Indices of odd numbers in A098550.

1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 22, 23, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 62, 64, 66, 68, 70, 72, 74, 76, 78, 79, 81, 83, 85, 87, 88, 90, 92, 94, 96, 98, 100, 101, 103, 105, 107, 109, 111, 113, 114, 116

Offset: 1

Author

Reinhard Zumkeller, Dec 02 2014

Keywords

• nonn

Comments

A098550(a(n)) mod 2 = 1.

Links

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

Crossrefs

Cf. A098550, A005408, A251237, A251239.

Programs

Haskell

a251238 n = a251238_list !! (n-1)
a251238_list = filter (odd . a098550) [1..]