A027716 - OEIS

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A027716

Numbers n such that n^2+n+4 is a palindrome.

0, 1, 20, 200, 219, 261, 2000, 2234, 2551, 2613, 20000, 20604, 200000, 202885, 205704, 218354, 2000000, 2155139, 2490266, 2620486 (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. A027717, A027689.` `Sequence in context: A125383 A126541 A191299 * A126901 A008420 A045758` `Adjacent sequences: A027713 A027714 A027715 * A027717 A027718 A027719`
	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.