login
A337620
a(n) is the number of grid points on the n-th antidiagonal of the Even Conant lattice that are not on an edge.
3
0, 0, 0, 0, 0, 0, 0, 1, 2, 1, 0, 1, 0, 1, 3, 3, 3, 3, 3, 1, 1, 2, 1, 2, 3, 2, 2, 4, 6, 7, 6, 5, 7, 6, 7, 9, 8, 5, 3, 5, 7, 7, 4, 4, 2, 5, 9, 10, 5, 7, 8, 6, 5, 8, 9, 12, 16, 12, 11, 13, 12, 11, 14, 13, 14, 13, 15, 15, 13, 16, 16, 19, 23, 20, 16, 11, 5, 11, 14
OFFSET
0,9
COMMENTS
a(n) is the number of k in the range 0..n such that A337264(k, n-k) = 0 and A337265(k, n-k) = 0.
EXAMPLE
See Links sections.
PROG
(C++) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Sep 09 2020
STATUS
approved