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Search: id:A053768
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A053768 Numbers n such that sum of first n composite numbers is a perfect square. +0
2
1, 6, 21, 80, 6982, 269563, 779693, 834365 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A002808, A000290, A053769.

Sequence in context: A108136 A054625 A026628 this_sequence A108306 A134927 A088556

Adjacent sequences: A053765 A053766 A053767 this_sequence A053769 A053770 A053771

KEYWORD

nonn

AUTHOR

G. L. Honaker, Jr. (honak3r(AT)gmail.com), Mar 29 2000

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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