A027577 Palindromes of form n^2 + (n+1)^2 + (n+2)^2 + (n+3)^2.

41214, 414000414, 437657989756734, 606104959401606, 41404251615240414, 41636648584663614, 4716406792976046174, 4719488979798849174, 45835263697779636253854, 47737369987078996373774

Offset

1,1

Links

Table of n, a(n) for n=1..10.

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

Crossrefs

Cf. A027576.

Sequence in context: A286891 A183667 A188488 * A235317 A294986 A269738

Adjacent sequences: A027574 A027575 A027576 * A027578 A027579 A027580

Keyword

nonn,base

Author

Patrick De Geest

Extensions

a(6)-a(8) from Donovan Johnson, Aug 26 2012

a(9)-a(10) from Chai Wah Wu, Sep 06 2021

Status

approved