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A107828 Indices of primes occurring in A107808. 13
8, 5, 6, 2, 9, 1, 10, 17, 3, 16, 11, 7, 4, 12, 14, 13, 15, 19, 18, 20, 21, 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

A107828(n)=pi(A107808(n))

CROSSREFS

Cf. A107801 - A107814, A107821, A107822, A107823, A107824, A107825, A107826, A107827, A107829, A107830, A107831, A107832, A107833, A107834.

Sequence in context: A243379 A214174 A154433 * A256155 A190412 A199615

Adjacent sequences:  A107825 A107826 A107827 * A107829 A107830 A107831

KEYWORD

easy,nonn

AUTHOR

Zak Seidov, May 24 2005

STATUS

approved

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Last modified May 24 06:53 EDT 2019. Contains 323529 sequences. (Running on oeis4.)