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A027726 Numbers n such that n^2+n+9 is a palindrome. 1
0, 1, 9, 11, 13, 22, 30, 31, 138, 300, 304, 305, 331, 438, 969, 1141, 1413, 2367, 3000, 3144, 3881, 9854, 30000, 30605, 72062, 106801, 114141, 125206, 128348, 300000, 315165, 963304, 980560, 989154, 2378507, 3000000, 3040604, 3045679 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

LINKS

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

CROSSREFS

Cf. A027727, A027694, A027757, A027758.

Sequence in context: A120177 A104296 A117675 * A044873 A183980 A101754

Adjacent sequences:  A027723 A027724 A027725 * A027727 A027728 A027729

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.