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

1,2

Comments

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

Links

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

Prog

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

Crossrefs

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

Sequence in context: A335912 A123760 A289686 * A155877 A214865 A373627

Adjacent sequences: A251391 A251392 A251393 * A251395 A251396 A251397

Keyword

nonn

Author

Reinhard Zumkeller, Dec 05 2014

Status

approved