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A028348 Numbers n such that n^2 + n - 1 is a palindrome. +0
2
1, 2, 6, 10, 12, 21, 29, 35, 94, 100, 117, 122, 325, 380, 442, 1000, 1132, 1307, 3073, 10000, 10325, 10602, 12652, 13207, 30404, 30834, 31474, 32672, 95603, 96439, 100000, 110665, 234566 (list; graph; listen)
OFFSET

1,2

LINKS

P. De Geest, Palindromic Quasi_Under_Squares of the form n+(n+1)^2

CROSSREFS

Cf. A028349.

Sequence in context: A097381 A055743 A071638 this_sequence A140776 A108783 A066679

Adjacent sequences: A028345 A028346 A028347 this_sequence A028349 A028350 A028351

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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