cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A242130 Sum of squares of three numbers x, y, z such that 3*floor(sum of squares/3) = x+y+z.

Original entry on oeis.org

3, 12, 14, 18, 27, 29, 33, 35, 41, 48, 50, 54, 56, 62, 66, 72, 74, 75, 77, 81, 83, 89, 93, 99, 101, 107, 108, 110, 114, 116, 122, 126, 132, 134, 140, 146, 147, 149, 153, 155, 161, 165, 171, 173, 179, 185, 189, 192, 194, 198, 200
Offset: 1

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Author

Carmine Suriano, May 05 2014

Keywords

Comments

Three times the quadratic average of x,y,z in most cases is greater than their sum.

Examples

			a(7)=33 for 33=1^2+4^2+4^2; floor(sqrt(33/3))=3; 3*3=9=1+4+4.
		

Crossrefs

Cf. A000408.