A257458 Indices of prime powers in A257339.

1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 22, 23, 25, 27, 30, 31, 34, 35, 38, 42, 45, 47, 48, 49, 52, 53, 54, 60, 61, 63, 64, 66, 69, 70, 71, 73, 74, 81, 83, 85, 87, 89, 92, 94, 97, 100, 102, 108, 112, 114, 116, 117, 120, 125, 127, 128

Offset

1,2

Comments

A010055(a(n)) = 1.

Links

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

Prog

(Haskell)
a257458 n = a257458_list !! (n-1)
a257458_list = filter ((== 1) . a010055 . a257339) [1..]

Crossrefs

Cf. A257339, A010055, A257457.

Sequence in context: A183219 A049533 A052419 * A179439 A047421 A004777

Adjacent sequences: A257455 A257456 A257457 * A257459 A257460 A257461

Keyword

nonn

Author

Reinhard Zumkeller, Apr 24 2015

Status

approved