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A122413 Indices of primes occurring in A031134. 6
3, 4, 5, 10, 17, 25, 31, 48, 190, 218, 328, 369, 740, 1185, 1664, 2226, 2227, 3386, 3387, 4060, 5950, 14358, 30804, 31546, 33610, 104072, 118506, 325853, 597312, 1319946, 2324141, 4140010, 4258996, 5911615, 8040879, 17567978, 23163299, 25203781 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Jon E. Schoenfield, Table of n, a(n) for n = 1..52

FORMULA

a(n) = pi(A031134(n)).

EXAMPLE

a(4)=10 because the 4th term of A031134 is the 10th prime number.

CROSSREFS

Cf. A031131, A031132, A031133, A031134, A122412.

Sequence in context: A082612 A339569 A170926 * A297661 A342333 A136366

Adjacent sequences:  A122410 A122411 A122412 * A122414 A122415 A122416

KEYWORD

nonn

AUTHOR

Jon E. Schoenfield, Sep 02 2006

STATUS

approved

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Last modified October 20 12:43 EDT 2021. Contains 348108 sequences. (Running on oeis4.)