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A107827 Indices of primes occurring in A107807. 13
7, 4, 12, 2, 6, 5, 8, 10, 1, 9, 11, 13, 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; internal format)
OFFSET

1,1

FORMULA

A107827(n)=pi(A107807(n))

CROSSREFS

Cf. A107801 - A107814, A107821, A107822, A107823, A107824, A107825, A107826, A107828, A107829, A107830, A107831, A107832, A107833, A107834.

Sequence in context: A165415 A069199 A138339 * A070406 A181138 A063632

Adjacent sequences:  A107824 A107825 A107826 * A107828 A107829 A107830

KEYWORD

easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), May 24 2005

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Last modified February 15 19:07 EST 2012. Contains 205852 sequences.