A250220 Numbers k such that A241601(k) is prime.

7, 9, 12, 16, 17, 18, 26, 34, 36, 38, 39, 42, 49, 74, 114, 118, 337, 396, 455

Offset

1,1

Comments

Is the sequence infinite?

No other terms < 500. - Jinyuan Wang, Apr 02 2020

Links

Table of n, a(n) for n=1..19.

Crossrefs

Cf. A241601, A249909, A246006, A112548, A092132, A103234.

Sequence in context: A259601 A351041 A075335 * A020720 A048589 A121056

Adjacent sequences: A250217 A250218 A250219 * A250221 A250222 A250223

Keyword

nonn,more

Author

Eric Chen, Dec 24 2014

Extensions

a(17)-a(19) from Jinyuan Wang, Apr 02 2020

Status

approved