A337642 Coordination sequence for Even Conant Lattice with respect to origin.

1, 2, 3, 4, 5, 6, 7, 6, 7, 9, 10, 11, 11, 11, 14, 12, 12, 15, 17, 18, 18, 20, 20, 20, 21, 22, 24, 23, 24, 25, 27, 25, 23, 26, 29, 32, 31, 34, 39, 34, 30, 36, 39, 37, 39, 44, 50, 42, 40, 45, 46, 49, 52, 50, 49, 46, 46, 51, 50, 54, 56, 48, 48, 52, 54, 59, 57, 54

Offset: 0

Author

N. J. A. Sloane, Sep 18 2020

Keywords

• nonn

Comments

See A328078 for more information. The lattice (and therefore the sequence) is infinite, although my illustration for the initial terms shows only the first 10 generations of the construction.

Links

• Rémy Sigrist, Table of n, a(n) for n = 0..8787
• Rémy Sigrist, Plots of first 2584 terms (blue), 4744 terms (green), and 8788 terms (red)
• Rémy Sigrist, C++ program for A337642
• N. J. A. Sloane, The Even Conant Lattice
• N. J. A. Sloane, Illustration for a(0)-a(16)
• Index entries for coordination sequences

Crossrefs

Cf. A328078, A328080; A233775.

Extensions

More terms from Rémy Sigrist, Sep 19 2020