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A225040 a(n) is the position of prime(n) in A225039, and a(n)=0, if prime(n) is not in A225039. 7
1, 2, 3, 4, 6, 5, 9, 7, 8, 10, 13, 15, 16, 28, 50, 20, 11, 12, 14, 69, 66, 17, 19, 18, 32, 86, 21, 64, 22, 38, 26, 74, 23, 41, 24, 25, 71, 89, 27, 49, 84, 33, 30, 35, 34, 31, 29, 175, 96, 60, 39, 181, 36, 110, 40, 46, 37, 68, 138, 119, 45, 44, 139, 42, 73, 43 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture: All terms are positive, or equivalently, the sequence is a permutation of the positive integers.

LINKS

Peter J. C. Moses, Table of n, a(n) for n = 1..1600

MATHEMATICA

a={}; n=1; While[(tmp=Position[A225039, Prime[n]]) != {}, AppendTo[a, tmp]; n++]; Flatten[a] (* Peter J. C. Moses, Apr 25 2013 *)

CROSSREFS

Cf. A225017, A225039.

Sequence in context: A191446 A230764 A276685 * A118315 A280577 A075159

Adjacent sequences:  A225037 A225038 A225039 * A225041 A225042 A225043

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, Apr 25 2013

STATUS

approved

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Last modified July 16 23:49 EDT 2019. Contains 325092 sequences. (Running on oeis4.)