A202063 Position of first appearance of n-th prime in A071216.

2, 3, 1, 8, 25, 9, 11, 21, 19, 69, 24, 29, 46, 23, 60, 115, 51, 111, 32, 82, 129, 185, 132, 71, 106, 155, 63, 116, 84, 203, 54, 77, 58, 145, 108, 87, 289, 93, 67, 443, 254, 460, 292, 76, 350, 300, 447, 86, 397, 124, 284, 808, 128, 335, 136, 547, 742, 361

Offset: 1

Author

Zak Seidov, Dec 10 2011

Keywords

• nonn

Links

• Zak Seidov, Table of n, a(n) for n = 1..2000

Crossrefs

Cf. A071216 (largest prime factor of sum of 2 successive primes).

Formula

a(n) = primepi(A188815(n)) (conjectured). - Michel Marcus, Jul 05 2017