OFFSET
1,1
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
PROG
(PARI) isok(k) = !isprime(2*k^2+29); \\ Michel Marcus, Apr 15 2022
CROSSREFS
KEYWORD
nonn
EXTENSIONS
More terms from Michel Marcus, Apr 15 2022
STATUS
approved