A195224 Number of lower triangles of a 6 X 6 integer array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by n or less and triangles differing by a constant counted only once.

10654607, 149824887097, 103565705397639, 14572563308953245, 774355028021195459, 21369796486647028143, 368448539594713382337, 4459232627488479738855, 40959753617162679435381, 301639473232633417395629

Offset

1,1

Comments

Row 6 of A195220.

a(n) is an Ehrhart polynomial of degree 20. - Robert Israel, Oct 07 2019

Links

R. H. Hardin, Table of n, a(n) for n = 1..17

Example

Some solutions for n=5:
   0                  0                  0                  0
   1  1              -5 -3              -3 -4               3  2
   2  1  2           -1 -1 -5           -1 -1 -2            6  5  1
   4  0  3  0        -1 -2 -1 -5         4  2  0 -2         6  1  2 -2
   3 -1  4  4  1      0  1 -1 -3 -4     -1  4  2 -2 -5      1  2  1  0 -4
   0 -1  4  1  5  5   1 -4  1  0  1 -2  -1  2  1  0 -2 -5  -2  0  3 -1 -5 -3

Crossrefs

Sequence in context: A340110 A250963 A233500 * A157762 A234390 A237149

Adjacent sequences: A195221 A195222 A195223 * A195225 A195226 A195227

Keyword

nonn

Author

R. H. Hardin, Sep 13 2011

Status

approved