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A027728 Palindromes of form n^2+n+5. 1
5, 7, 11, 77, 161, 707, 5555, 16261, 50405, 53135, 7570757, 11988911, 16100161, 16544561, 162626261, 502858205, 758919857, 793464397, 11092829011, 11539593511, 5560873780655, 7424090904247, 7702753572077 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

P. De Geest, Palindromic Quasi_Over_Squares of the form n^2+(n+X)

CROSSREFS

Cf. A027718, A027690, A027754, A027755.

Sequence in context: A127269 A071781 A091509 * A086140 A104387 A133761

Adjacent sequences:  A027725 A027726 A027727 * A027729 A027730 A027731

KEYWORD

nonn,base

AUTHOR

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

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Last modified February 13 06:53 EST 2012. Contains 205451 sequences.