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A024705
Positions of odd numbers in A024702.
2
3, 5, 6, 8, 10, 12, 14, 16, 17, 18, 19, 23, 26, 28, 29, 32, 34, 35, 37, 38, 40, 41, 42, 45, 47, 49, 50, 54, 57, 59, 61, 62, 63, 66, 67, 69, 70, 74, 75, 77, 78, 81, 82, 86, 89, 91, 94, 95, 97, 99, 100, 101, 102, 103, 105, 107, 112, 114, 117, 119, 120, 121, 123, 124, 125, 126, 127, 130, 131, 134
OFFSET
1,1
COMMENTS
Indices of primes > 3 which are 3 or 5 mod 8. - Charles R Greathouse IV, May 30 2013
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
MATHEMATICA
Flatten[Position[Table[If[MemberQ[{3, 5}, Mod[n, 8]], 1, 0], {n, Prime[ Range[ 3, 200]]}], 1]]+2 (* Harvey P. Dale, May 26 2018 *)
PROG
(PARI) apply(n->primepi(n), select(n->n%8==3||n%8==5, primes(100))) \\ Charles R Greathouse IV, May 30 2013
CROSSREFS
Sequence in context: A191777 A284590 A287724 * A190192 A187977 A120243
KEYWORD
nonn,easy
EXTENSIONS
Adjusted for offset. - Charles R Greathouse IV, May 30 2013
STATUS
approved