A093416 - OEIS

A093416

Index of first occurrence of prime(n) in A034694.

1, 2, 4, 3, 5, 12, 8, 9, 11, 7, 15, 36, 20, 21, 23, 13, 29, 60, 33, 35, 24, 39, 41, 44, 32, 25, 17, 53, 27, 56, 63, 65, 68, 69, 37, 75, 156, 81, 83, 43, 89, 45, 19, 64, 49, 99, 105, 111, 113, 57, 116, 119, 80, 125, 128, 131, 67, 135, 92, 140, 47, 73, 153, 31, 104, 79, 55, 84

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OFFSET

1,2

COMMENTS

a(n) = smallest k such that A034694(k) = prime(n).

LINKS

Table of n, a(n) for n=1..68.

EXAMPLE

A034694(7) = 29 = prime(10) and A034694(k) <> 29 for k < 7, hence a(10) = 7.

A034694(8) = 17 = prime(7) and A034694(k) <> 17 for k < 8, hence a(7) = 8.

CROSSREFS

Cf. A034694.