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A081450
a(n) = sqrt(A081449(n))/6.
2
1, 1, 2, 1, 3, 5, 2, 4, 2, 1, 4, 7, 2, 2, 6, 1, 1, 8, 2, 3, 5, 14, 6, 6, 2, 1, 5, 17, 2, 2, 1, 10, 1, 4, 5, 5, 3, 1, 8, 7, 2, 4, 2, 4, 2, 1, 1, 1, 2, 7, 4, 3, 2, 5, 9, 3, 1, 7, 4, 3, 10, 1, 2, 10, 9, 1, 1, 5, 2, 2, 1, 3, 1, 2, 15, 1, 1, 5, 3, 5, 1, 8, 2, 4, 1, 5, 2, 7, 1, 4, 2, 1, 23, 4, 2, 1, 3, 2, 7
OFFSET
1,3
COMMENTS
Partial maxima are in A081453.
PROG
(PARI) t=17; for(n=2, 200, for(k=1, 10^8, if(isprime(k^2+t), print1(k/6", "); t=t+k^2; break)))
CROSSREFS
Cf. A081449.
Sequence in context: A157127 A066748 A106583 * A248408 A210880 A210867
KEYWORD
nonn
AUTHOR
Ralf Stephan, Mar 21 2003
STATUS
approved