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A081446 a(n) = sqrt( A081445(n) )/6. 2
1, 1, 2, 1, 3, 3, 1, 1, 1, 2, 2, 2, 1, 1, 1, 5, 5, 5, 3, 5, 1, 3, 1, 3, 4, 3, 2, 1, 3, 1, 4, 2, 8, 4, 1, 2, 5, 3, 2, 4, 3, 5, 1, 2, 5, 9, 2, 9, 1, 4, 5, 7, 3, 2, 6, 1, 1, 2, 4, 3, 2, 1, 1, 2, 2, 3, 4, 1, 2, 1, 2, 5, 8, 4, 4, 4, 7, 1, 5, 8, 3, 1, 5, 8, 1, 3, 7, 4, 3, 6, 3, 5, 1, 4, 2, 4, 2, 1, 1, 5, 2, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Partial maxima are in A081451.
LINKS
PROG
(PARI) t=11; for(n=2, 100, for(k=1, 10^8, if(isprime(k^2+t), print1(k/6", "); t=t+k^2; break)))
CROSSREFS
Cf. A081445.
Sequence in context: A098434 A212634 A162883 * A274309 A158440 A119803
KEYWORD
nonn
AUTHOR
Ralf Stephan, Mar 21 2003
STATUS
approved

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Last modified March 28 16:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)