OFFSET

1,1

COMMENTS

Equivalently, primes that occur in columns 0, 1, or 2 of the triangle in A330339. [Corrected by Walter Trump, Dec 23 2019]

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..25000 (first 1269 terms from N. J. A. Sloane)

CROSSREFS

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 22 2019

STATUS

approved