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A027574 Palindromes of form n^2 + (n+1)^2 + (n+2)^2. 2
77, 434, 4334, 964469, 9051509, 208666802, 776181677, 924323429, 964777469, 4106556014, 4906666094, 43064746034, 90553635509, 430495594034, 5291716171925, 9203225223029, 9459406049549, 58815733751885, 202304919403202, 962227252722269, 4906073553706094 (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. A027573.

Sequence in context: A020206 A020304 A154058 * A059047 A046149 A222728

Adjacent sequences:  A027571 A027572 A027573 * A027575 A027576 A027577

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

EXTENSIONS

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

STATUS

approved

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Last modified September 19 04:39 EDT 2019. Contains 327187 sequences. (Running on oeis4.)