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A062788 Squares of the form 5n*(n-1)+1. 0
1, 361, 116281, 37442161, 12056259601, 3882078149401, 1250017107847561 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

PROG

(PARI) for(n=1, 10^8, x=(5*n*(n-1)+1); if(issquare(x), print(x)))

CROSSREFS

Sequence in context: A232081 A231770 A145121 * A048289 A191216 A013765

Adjacent sequences:  A062785 A062786 A062787 * A062789 A062790 A062791

KEYWORD

nonn

AUTHOR

Jason Earls, Jul 19 2001

STATUS

approved

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Last modified April 25 21:06 EDT 2019. Contains 322461 sequences. (Running on oeis4.)