A251631 Irrational parts of the Q(sqrt(2)) integers giving the squared radii of the lattice point circles for the Archimedean tiling (4,8,8).

0, 0, 0, 1, 2, 2, 2, 3, 4, 4, 4, 6, 6, 7, 6, 8, 8, 8, 9, 10, 10, 11, 12, 12, 12, 12, 14, 13, 15, 14, 16, 16, 16, 18, 18, 18, 20, 20, 21, 20, 20, 21, 22, 22, 22, 24, 24, 25, 26, 24, 26, 27, 28, 26, 29, 30, 30, 31, 32, 30, 32, 31, 32, 32, 34, 32, 34

Offset: 0

Author

Wolfdieter Lang, Jan 02 2015

Keywords

• nonn
• easy

Comments

The rational parts are found in A251629.

See the comments, examples and a link in A251629 for details. The squared radii R2(n) for lattice point hitting circles centered at any of the lattice points of the Archimedean tiling (4,8,8) are integers in the real quadratic number field Q(sqrt(2)), namely R2(n) = A251629(n) + a(n)*sqrt(2), n >= 0.

Examples

			See A251629.
		

Crossrefs

Cf. A251629.