A358531 Indices of the primes in A358530.

6, 8, 11, 13, 14, 18, 20, 21, 23, 26, 27, 29, 32, 34, 36, 39, 42, 44, 46, 49, 50, 53, 55, 58, 60, 61, 64, 65, 68, 70, 74, 76, 79, 82, 84, 86, 89, 90, 93, 94, 96, 99, 101, 103, 105, 108, 110, 113, 114, 116, 117, 121, 123, 127, 129, 130, 132, 134, 135, 137

Offset

1,1

Comments

This sequence, together with A358529 and A356347, partition the set of positive integers >= 3.

Links

Table of n, a(n) for n=1..60.

Formula

a(n) = A258026(n) + 2.

Example

  n       1   2   3   4   5   6   7
  k       6   8  11  13  14  18  20
  p(n)   13  19  31  41  43  61  71

Mathematica

t = Select[2 + Range[140],
Prime[#] - Prime[# - 1] < Prime[# - 1] - Prime[# - 2] &]  (* A358531 *)
Prime[t]  (* A358530 *)

Crossrefs

Cf. A001223, A258026, A358528, A358529, A358530, A181424, A356347.

Sequence in context: A309627 A085412 A228650 * A200722 A120152 A315855

Adjacent sequences: A358528 A358529 A358530 * A358532 A358533 A358534

Keyword

nonn,easy

Author

Clark Kimberling, Nov 21 2022

Status

approved