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A027721 Palindromes of form n^2+n+6. 1
6, 8, 606, 656, 818, 83238, 6177716, 6505056, 8343438, 8681868, 834545438, 21543634512, 69872727896, 83456565438, 85425552458, 8032131312308, 8255470745528, 8345676765438, 8716172716178, 8766434346678 (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. A027729, A027729, A027691.

Sequence in context: A013242 A169971 A000955 * A196762 A078196 A198118

Adjacent sequences:  A027718 A027719 A027720 * A027722 A027723 A027724

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.