A241588 Coefficients in expansion of determinant of the Ihara Laplacian on the infinite grid Z x Z.

1, 1, -1, -5, -30, -174, -1120

Offset

0,4

Links

Table of n, a(n) for n=0..6.

Bryan Clair, The Ihara zeta function of the infinite grid, Electron. J. Combin., 21(2) (2014), #P2.16.

Crossrefs

Sequence in context: A094972 A084158 A111469 * A229246 A276598 A057088

Adjacent sequences: A241585 A241586 A241587 * A241589 A241590 A241591

Keyword

sign,more

Author

N. J. A. Sloane, May 12 2014

Status

approved