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A107831
Indices of primes occurring in A107811.
13
11, 2, 6, 5, 7, 4, 12, 9, 1, 10, 8, 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
FORMULA
A107831(n)=pi(A107811(n))
KEYWORD
easy,nonn
AUTHOR
Zak Seidov, May 24 2005
STATUS
approved