A257457 Indices of primes in A257339.

2, 3, 4, 6, 8, 10, 11, 12, 14, 15, 18, 19, 20, 22, 23, 27, 30, 35, 38, 42, 47, 48, 49, 52, 53, 54, 60, 61, 63, 64, 69, 70, 73, 74, 83, 85, 87, 89, 92, 94, 97, 102, 112, 114, 116, 117, 120, 125, 127, 128, 134, 136, 139, 146, 149, 151, 153, 155, 156, 158, 159

Offset: 1

Author

Reinhard Zumkeller, Apr 24 2015

Keywords

• nonn

Comments

A010051(a(n)) = 1.

Links

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

Crossrefs

Cf. A257339, A010051, A257458.

Programs

Haskell

a257457 n = a257457_list !! (n-1)
a257457_list = filter ((== 1) . a010051 . a257339) [1..]