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A343532 Primes in A343531. 1
2, 7, 31, 83, 307, 503, 919, 1483, 5059, 9439, 10139, 13159, 15647, 17431, 21491, 23671, 30911, 33599, 47459, 49199, 52627, 58199, 62327, 79379, 81551, 90971, 98443, 109171, 114643, 123439, 162007, 168863, 172331, 175811, 278767, 298303, 303011, 322951, 376399, 387631, 393007, 571531, 592531 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert Israel, Table of n, a(n) for n = 1..4320

EXAMPLE

a(3) = 31 = A343531(4) and is prime, so it is in the sequence.

MAPLE

P:= [seq(ithprime(i), i=1..1001)]:

G:= P[2..-1]-P[1..-2]:

A:= [seq(add(P[i]*G[n+1-i], i=1..n), n=1..1000)]:

select(isprime, A);

CROSSREFS

Cf. A343531.

Sequence in context: A213721 A102162 A059846 * A034698 A115605 A289719

Adjacent sequences:  A343529 A343530 A343531 * A343533 A343534 A343535

KEYWORD

nonn

AUTHOR

J. M. Bergot and Robert Israel, Apr 18 2021

STATUS

approved

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Last modified September 27 21:12 EDT 2021. Contains 347698 sequences. (Running on oeis4.)