A344990 - OEIS

A344990

Primes of the form m^k +- k, with m,k > 1.

2, 5, 7, 11, 23, 37, 47, 61, 67, 79, 83, 167, 223, 227, 359, 439, 443, 503, 509, 521, 727, 839, 997, 1019, 1087, 1091, 1223, 1367, 1523, 1847, 2027, 2207, 2399, 2741, 3023, 3251, 3719, 3967, 4093, 4099, 4759, 5039, 5623, 5927, 6553, 6563, 6569, 7919, 8179

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..49.

EXAMPLE

2 = 2^2 - 2,

5 = 2^3 - 3,

7 = 3^2 - 2,

11 = 3^2 + 2,

23 = 5^2 - 2,

37 = 2^5 + 5,

47 = 7^2 - 2,

61 = 4^3 - 3,

67 = 4^3 + 3,

79 = 9^2 - 2,

83 = 9^2 + 2,

167 = 13^2 - 2,

223 = 15^2 - 2,

227 = 15^2 + 2,

359 = 19^2 - 2,

439 = 21^2 - 2,

443 = 21^2 + 2,

503 = 2^9 - 9,

509 = 8^3 - 3,

521 = 2^9 + 9,

...

CROSSREFS

Union of A099227 and A099228.

Sequence in context: A038955 A172981 A141064 * A131102 A235468 A229209

Adjacent sequences: A344987 A344988 A344989 * A344991 A344992 A344993

KEYWORD

nonn

AUTHOR

Luke Voyles, Jun 05 2021

STATUS

approved