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A376191

Indices of prime terms in A375564, and also the index where the n-th prime appears.

2, 3, 8, 9, 18, 19, 20, 21, 40, 41, 42, 43, 44, 45, 84, 85, 86, 87, 88, 89, 90, 91, 92, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 649, 650, 651

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OFFSET

1,1

COMMENTS

Scott R. Shannon reports (see A375564) that in the first 100000 terms the primes in A375564 appear in their natural order. [This is true in general. - N. J. A. Sloane, Sep 27 2024]

LINKS

N. J. A. Sloane, Table of n, a(n) for n = 1..393

EXAMPLE

A375564 begins 1, 2, 3, 4, 6, 8, 10, 5, 7, 9, 12, 14, 16, 18, 15, 20, 22, 11, 13, 17, 19, ... and the first few primes are at indices 2, 3, 8, 9, 18, 19, 20, 21, ...

CROSSREFS

Cf. A375564, A376189.

Sequence in context: A104577 A372824 A309017 * A247375 A282508 A103026

Adjacent sequences: A376188 A376189 A376190 * A376192 A376193 A376194

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Sep 25 2024

STATUS

approved

URL: https://oeis.org/A376191

⇱ A376191 - OEIS