A287924 Numbers k such that A287922(k) is a prime.

2, 3, 4, 6, 7, 12, 15, 19, 21, 25, 27, 33, 38, 39, 44, 51, 59, 62, 63, 65, 66, 69, 74, 90, 93, 96, 101, 106, 108, 111, 112, 123, 132, 138, 143, 144, 147, 153, 162, 163, 166, 168, 181, 187, 188, 203, 219, 224, 229, 241, 243, 255, 258, 259, 269, 273, 300

Offset

1,1

Comments

Corresponding primes are in A045637.

Links

Table of n, a(n) for n=1..57.

Mathematica

Select[Table[n, {n, 300}], PrimeQ[Prime[#]^2 + 4] &]

Crossrefs

Cf. A287922, A045637.

Sequence in context: A018276 A057732 A092591 * A039947 A339591 A096477

Adjacent sequences: A287921 A287922 A287923 * A287925 A287926 A287927

Keyword

nonn

Author

XU Pingya, Jun 02 2017

Status

approved