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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. - Jean-Christophe 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. - Jean-Christophe 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 Jean-Christophe Hervé, Nov 11 2013

STATUS

approved

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Last modified January 27 04:57 EST 2020. Contains 331291 sequences. (Running on oeis4.)