A107827 Indices of primes occurring in A107807.

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

Offset

1,1

Links

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

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: A069199 A359014 A138339 * A070406 A323997 A297938

Adjacent sequences: A107824 A107825 A107826 * A107828 A107829 A107830

Keyword

easy,nonn

Author

Zak Seidov, May 24 2005

Status

approved