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A258339 PrimePi(A258337(n)). 2
5, 1, 2, 13, 3, 18, 4, 23, 25, 26, 30, 31, 6, 35, 36, 38, 7, 42, 8, 304, 47, 48, 9, 53, 54, 56, 58, 60, 10, 63, 11, 453, 67, 69, 71, 73, 12, 76, 78, 79, 81, 82, 14, 86, 88, 89, 15, 93, 94, 96, 682, 98, 16, 100, 102, 103, 105, 107, 17, 110, 112, 807, 115, 116, 119, 121, 19, 124, 125, 126, 20, 129, 21, 132, 133, 135, 137, 138, 22, 140, 141, 142, 146, 1052, 147, 150 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The sequence is a permutation of the positive numbers.
LINKS
FORMULA
a(n) >= PrimePi(n).
CROSSREFS
Sequence in context: A289690 A088781 A085608 * A197080 A317823 A318430
KEYWORD
nonn,base
AUTHOR
Vladimir Shevelev, May 27 2015
STATUS
approved

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)