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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
OFFSET
1,2
COMMENTS
Conjecture: every prime occurs in A083016, so k always exists.
LINKS
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
KEYWORD
nonn
AUTHOR
Robert Israel, Dec 08 2019
STATUS
approved