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A086340 Numbers n such that 1 + (n-1)*n*(n+1) is a square. +0
1
1, 3, 5, 56 (list; graph; listen)
OFFSET

1,2
REFERENCES

M. Lambrou, Solution to problem 2411, Crux Mathematicorum, Feb. 2000 26(1) 59-60 CMS.

CROSSREFS

Sequence in context: A056260 A020462 A087602 this_sequence A106914 A049190 A118477

Adjacent sequences: A086337 A086338 A086339 this_sequence A086341 A086342 A086343

KEYWORD

fini,nonn

AUTHOR

Lekraj Beedassy (blekraj(AT)yahoo.com), Sep 02 2003

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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