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Search: id:A027721
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A027721 Palindromes of form n^2+n+6. +0
2
6, 8, 606, 656, 818, 83238, 6177716, 6505056, 8343438, 8681868, 834545438, 21543634512, 69872727896, 83456565438, 85425552458, 8032131312308, 8255470745528, 8345676765438, 8716172716178, 8766434346678 (list; graph; listen)
OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A027729.

Cf. A027729, A027691.

Sequence in context: A013242 A002689 A000955 this_sequence A078196 A020792 A135154

Adjacent sequences: A027718 A027719 A027720 this_sequence A027722 A027723 A027724

KEYWORD

nonn

AUTHOR

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

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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