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A107833 Indices of primes occurring in A107813. 14
13, 5, 6, 2, 9, 1, 10, 8, 7, 4, 12, 11, 14, 15, 19, 18, 20, 21, 16, 3, 17, 22, 24, 23, 27, 26, 28, 25, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..61.

FORMULA

A107833(n)=pi(A107813(n))

CROSSREFS

Cf. A107801 - A107814, A107821, A107822, A107823, A107824, A107825, A107826, A107827, A107828, A107829, A107830, A107831, A107832, A107834.

Sequence in context: A249267 A123172 A010218 * A248146 A097484 A098326

Adjacent sequences:  A107830 A107831 A107832 * A107834 A107835 A107836

KEYWORD

easy,nonn

AUTHOR

Zak Seidov, May 24 2005

STATUS

approved

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Last modified May 28 21:37 EDT 2020. Contains 334690 sequences. (Running on oeis4.)