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A081448 sqrt(A081447)/6. 2
1, 4, 1, 2, 2, 1, 1, 1, 2, 1, 2, 1, 2, 2, 1, 2, 1, 1, 3, 1, 3, 2, 5, 2, 4, 3, 4, 1, 2, 3, 5, 1, 7, 1, 1, 1, 2, 8, 1, 8, 3, 1, 2, 11, 2, 5, 5, 5, 6, 1, 1, 2, 3, 1, 2, 6, 4, 5, 7, 1, 7, 4, 7, 3, 2, 1, 2, 25, 6, 4, 2, 1, 7, 2, 1, 4, 4, 3, 1, 3, 2, 1, 10, 3, 5, 2, 1, 1, 1, 2, 4, 3, 2, 17, 9, 2, 9, 3, 9, 2 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Partial maxima are in A081452.

PROG

(PARI) t=5:for(n=2, 100, for(k=1, 10^8, if(isprime(k^2+t), print1(k/6", "):t=t+k^2:break)))

CROSSREFS

Sequence in context: A090885 A008476 A112621 * A106437 A064215 A054713

Adjacent sequences:  A081445 A081446 A081447 * A081449 A081450 A081451

KEYWORD

nonn

AUTHOR

Ralf Stephan (ralf(AT)ark.in-berlin.de), Mar 21 2003

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.