A338074 Numbers k such that A336957(k) is twice a prime.

3, 6, 10, 14, 18, 22, 23, 26, 46, 51, 54, 58, 87, 99, 106, 107, 110, 114, 134, 135, 142, 155, 171, 182, 195, 199, 210, 214, 215, 255, 259, 271, 274, 295, 299, 315, 323, 326, 347, 367, 371, 390, 391, 394, 398, 443, 451, 471, 475, 478, 491, 495, 511, 523, 531, 543, 547, 567, 575, 579, 599

Offset: 1

Author

N. J. A. Sloane, Oct 21 2020

Keywords

• nonn

Comments

See the comment in A336957 discussing when primes first appear in A336957.

Links

• N. J. A. Sloane, Table of n, a(n) for n = 1..20000
• N. J. A. Sloane, Table comparing the present sequence and A337275

Crossrefs

Cf. A336957, A337275.