A257457 - OEIS

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A257457

Indices of primes in A257339.

3

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

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OFFSET

1,1

COMMENTS

A010051(a(n)) = 1.

LINKS

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

PROG

(Haskell)

a257457 n = a257457_list !! (n-1)

a257457_list = filter ((== 1) . a010051 . a257339) [1..]

CROSSREFS

Cf. A257339, A010051, A257458.

Sequence in context: A375564 A254438 A121539 * A122138 A047418 A335999

Adjacent sequences: A257454 A257455 A257456 * A257458 A257459 A257460

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Apr 24 2015

STATUS

approved