A299896 Coordination sequence for "bar" 3D tiling with respect to second type of node.

1, 4, 8, 14, 21, 34, 53, 71, 90, 108, 133, 161, 198, 248, 286, 317, 349, 395, 446, 514, 585, 640, 688, 735, 817, 889, 975, 1052, 1115, 1177, 1260, 1365, 1465, 1550, 1640, 1744, 1833, 1951, 2086, 2195, 2282, 2356, 2502, 2625, 2763, 2909, 3025

Offset

0,2

Comments

First 127 terms computed by Davide M. Proserpio using ToposPro.

For this sequence there is not even a conjectured g.f.

Links

Davide M. Proserpio, Table of n, a(n) for n = 0..127

V. A. Blatov, A. P. Shevchenko, D. M. Proserpio, Applied Topological Analysis of Crystal Structures with the Program Package ToposPro, Cryst. Growth Des. 2014, 14, 3576-3586.

Reticular Chemistry Structure Resource (RCSR), The bar tiling (or net)

Crossrefs

Cf. A299894 (first type), A299897 (partial sums).

Sequence in context: A006578 A122224 A183955 * A312700 A312701 A312702

Adjacent sequences: A299893 A299894 A299895 * A299897 A299898 A299899

Keyword

nonn

Author

N. J. A. Sloane, Feb 21 2018

Status

approved