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A027573 Numbers n such that n^2 + (n+1)^2 + (n+2)^2 is palindromic. 1
4, 11, 37, 566, 1736, 8339, 16084, 17552, 17932, 36997, 40441, 119811, 173736, 378811, 1328120, 1751496, 1775706, 4427780, 8211879, 17909282, 40439557 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..21.

P. De Geest, Palindromic Sums of Squares of Consecutive Integers

CROSSREFS

Cf. A027574.

Sequence in context: A017939 A282702 A130494 * A149246 A149247 A149248

Adjacent sequences:  A027570 A027571 A027572 * A027574 A027575 A027576

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

EXTENSIONS

a(17) corrected and a(18)-a(21) from Donovan Johnson, Aug 26 2012

STATUS

approved

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Last modified October 20 07:33 EDT 2019. Contains 328252 sequences. (Running on oeis4.)