

A132777


Nonsquare numbers which are the sum of 2 distinct squares.


2



5, 10, 13, 17, 20, 26, 29, 34, 37, 40, 41, 45, 50, 52, 53, 58, 61, 65, 68, 73, 74, 80, 82, 85, 89, 90, 97, 101, 104, 106, 109, 113, 116, 117, 122, 125, 130, 136, 137, 145, 146, 148, 149, 153, 157, 160, 164
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


COMMENTS

This is simply A001983 excluding the square numbers.
The squares of these numbers are also sums of two distinct nonzero squares. Including them gives A004431.  JeanChristophe Hervé, Nov 11 2013


LINKS

Table of n, a(n) for n=1..47.


EXAMPLE

5 = 4 + 1, and 5^2 = 16 + 9 ; 10 = 9 + 1, and 10^2 = 64 + 36.  JeanChristophe Hervé, Nov 11 2013


CROSSREFS

Cf. A001983, A004431.
Sequence in context: A055096 A313386 A267969 * A191217 A230779 A313387
Adjacent sequences: A132774 A132775 A132776 * A132778 A132779 A132780


KEYWORD

easy,nonn


AUTHOR

Rob Hubbard (hubbard.r(AT)gmail.com), Oct 08 2007


EXTENSIONS

Definition corrected by JeanChristophe Hervé, Nov 11 2013


STATUS

approved



