A034045 - OEIS

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A034045

Numbers that are imprimitively but not primitively represented by x^2+y^2+z^2.

7

0, 4, 8, 12, 16, 20, 24, 32, 36, 40, 44, 48, 52, 56, 64, 68, 72, 76, 80, 84, 88, 96, 100, 104, 108, 116, 120, 128, 132, 136, 140, 144, 148, 152, 160, 164, 168, 172, 176, 180, 184, 192, 196, 200, 204, 208, 212, 216, 224, 228, 232, 236, 244, 248, 256

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..55.

FORMULA

Union of A047449 and A034045 is A000378. Union of A034044 and A034045 is A034047. Numbers that are in A000378 and congruent to 0 mod 4. - Ray Chandler, Sep 05 2004

CROSSREFS

Cf. A000378, A004215, A047449, A034043-A034047.

Sequence in context: A311180 A311181 A311182 * A311183 A311184 A311185

Adjacent sequences: A034042 A034043 A034044 * A034046 A034047 A034048

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved