A251394 Indices of numbers in A098550, that are neither multiples of 2 nor multiples of 3, cf. A007310.

1, 9, 11, 13, 15, 22, 23, 30, 32, 34, 36, 38, 40, 43, 45, 51, 53, 61, 62, 68, 70, 72, 74, 76, 79, 87, 88, 94, 96, 98, 101, 103, 105, 114, 116, 118, 122, 124, 126, 127, 132, 134, 142, 144, 146, 148, 150, 153, 158, 160, 166, 167, 175, 177, 179, 181, 185, 187

Offset: 1

Author

Reinhard Zumkeller, Dec 05 2014

Keywords

• nonn

Comments

GCD(A098550(a(n)),6) = 1.

Links

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

Crossrefs

Cf. A098550, A007310, A020639, A251237, A251393.

Programs

Haskell

a251394 n = a251394_list !! (n-1)
a251394_list = filter ((== 1) . gcd 6 . a098550) [1..]