A337622 a(n) is the number of runs of contiguous grid points on the n-th antidiagonal of the Even Conant lattice that are not on an edge.

0, 0, 0, 0, 0, 0, 0, 1, 2, 1, 0, 1, 0, 1, 2, 3, 3, 2, 2, 1, 1, 2, 1, 2, 3, 2, 2, 3, 3, 5, 4, 4, 7, 4, 4, 5, 4, 3, 2, 5, 6, 6, 3, 4, 2, 5, 7, 10, 5, 6, 6, 6, 4, 7, 6, 6, 9, 6, 6, 7, 6, 6, 9, 9, 13, 9, 9, 8, 4, 8, 5, 7, 12, 10, 10, 7, 2, 9, 9, 12, 14, 13, 11, 8

Offset

0,9

Links

Rémy Sigrist, Table of n, a(n) for n = 0..8191

Rémy Sigrist, Illustration of initial terms

Rémy Sigrist, C++ program for A337622

Example

See Links section.

Prog

(C++) See Links section.

Crossrefs

Cf. A328078, A337620, A337621.

Sequence in context: A301574 A272728 A174695 * A165577 A259776 A344649

Adjacent sequences: A337619 A337620 A337621 * A337623 A337624 A337625

Keyword

nonn

Author

Rémy Sigrist, Sep 09 2020

Status

approved