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A073527 Numbers n such that denominator of Sum_{k=1..n} 1/k^2 is not a square. 1
10, 11, 12, 13, 14, 20, 21, 22, 23, 24, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..65.

CROSSREFS

Cf. A007407, A073526 (complement).

Sequence in context: A102490 A057947 A228774 * A008707 A089951 A058945

Adjacent sequences:  A073524 A073525 A073526 * A073528 A073529 A073530

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Aug 30 2002

EXTENSIONS

More terms from Matthew Conroy, Sep 09 2002

STATUS

approved

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Last modified November 23 22:48 EST 2014. Contains 249866 sequences.