A343415 Primes in A343414.

2, 31, 353, 1039, 1857829, 14277775651, 6822209961271, 23172461926413292644664234611981411217441459, 277990346815366598975642147371422180190208141392937, 563879158779728906723597933198749347203597871838981, 10726692511220448398001610103693085889137778178555239341406463847718807560615202368578749

Offset

1,1

Links

Robert Israel, Table of n, a(n) for n = 1..21

Example

a(3) = 353 is a term because A343414(4) = 353 and 353 is prime.

Maple

f:= proc(n) local L, i;
   L:= ListTools:-PartialSums([seq(binomial(n, i), i=0..n)]);
   add(L[i]*ithprime(i), i=1..n+1);
end proc:
select(isprime, map(f, [$0..1000]));

Crossrefs

Cf. A343414.

Sequence in context: A120357 A333935 A152278 * A156151 A231796 A218687

Adjacent sequences: A343412 A343413 A343414 * A343416 A343417 A343418

Keyword

nonn

Author

J. M. Bergot and Robert Israel, Apr 14 2021

Status

approved