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
Links
- P. De Geest, Palindromic Sums of Squares of Consecutive Integers
Crossrefs
Cf. A027576.
Extensions
a(6)-a(8) from Donovan Johnson, Aug 26 2012
a(9)-a(10) from Chai Wah Wu, Sep 06 2021