A004195 - OEIS

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A004195

The numbers not expressible as the sum of 4 distinct nonzero squares can be written D*4^n union E. This is D.

3

1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 22, 23, 25, 26, 27, 31, 33, 34, 37, 38, 42, 43, 47, 55, 58, 67, 73, 82, 97, 103

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..35.

Index entries for sequences related to sums of squares

CROSSREFS

Cf. A004196, A004441.

Sequence in context: A193303 A285465 A092418 * A354514 A324562 A352489

Adjacent sequences: A004192 A004193 A004194 * A004196 A004197 A004198

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane, Dan Hoey

STATUS

approved