A360503 Numbers k such that A048435(k) is prime.

2, 5, 82, 2546

Offset: 1

Author

N. J. A. Sloane, Feb 17 2023

Keywords

• nonn
• more
• base

Comments

a(1), a(2), and a(3) were found by Kurt Foster, Oct 24 2015 (see A048435). a(4) was found by Jeff Peltier: see comments following the "Most Wanted Prime" video.

Links

• Brady Haran and N. J. A. Sloane, Most Wanted Prime, Numberphile video, December 2021.
• Index entries for sequences related to Most Wanted Primes video

Crossrefs

Cf. A007089, A048435, A360502.