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A330277 a(n) = k such that A083016(k) = prime(n), or -1 if no such k exists. 1
1, 16, 7, 2, 8, 17, 11, 12, 18, 3, 26, 29, 19, 46, 10, 9, 20, 23, 36, 4, 5, 134, 24, 39, 15, 47, 56, 28, 33, 25, 64, 50, 21, 118, 205, 42, 87, 172, 38, 41, 126, 193, 78, 51, 65, 108, 196, 48, 14, 111, 105, 92, 123, 6, 35, 22, 75, 346, 143, 45, 96, 27, 76, 40, 81, 101, 130, 91, 110, 311, 49, 100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture: every prime occurs in A083016, so k always exists.

LINKS

Robert Israel, Table of n, a(n) for n = 1..10000

EXAMPLE

a(3) = 7 because A083016(7) = 5 = prime(3).

MAPLE

# using program in A083016 to produce A[1]...A[m]

for i from 1 to m do B[A[i]]:= i od:

seq(B[ithprime(i)], i=1..numtheory:-pi(A[m]));

CROSSREFS

Cf. A083016.

Sequence in context: A303087 A302892 A303627 * A131030 A070580 A298618

Adjacent sequences:  A330274 A330275 A330276 * A330278 A330279 A330280

KEYWORD

nonn

AUTHOR

Robert Israel, Dec 08 2019

STATUS

approved

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Last modified September 18 16:10 EDT 2021. Contains 347527 sequences. (Running on oeis4.)