A216577 Number of nonnegative integer solutions to the equation x^2 + 10*y^2 = n.

1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 2, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 0, 0, 1, 0, 0, 0, 0, 1

Offset

0,50

Links

Table of n, a(n) for n=0..99.

Crossrefs

Cf. A020673, A033201.

Sequence in context: A214411 A324179 A372357 * A096562 A096563 A216512

Adjacent sequences: A216574 A216575 A216576 * A216578 A216579 A216580

Keyword

nonn

Author

V. Raman, Sep 08 2012

Extensions

Corrected by T. D. Noe and N. J. A. Sloane, Sep 10 2012

Status

approved