A363207 Number of polycubes avoiding corner connections.

1, 1, 2, 6, 15, 47, 170, 654, 2699, 11539, 50919, 229529, 1054374, 4915265

Offset: 1

Author

Joerg Arndt and Márk Péter Légrádi, May 22 2023

Keywords

• nonn
• hard
• more

Comments

Rotations and reflections are identified.

Avoiding corner connections is avoiding neighbors at [+-1, +-1,+-1]. Allowing corner connections gives A038119.

Crossrefs

Cf. A363200 (truncated octahedra avoiding neighbors at [0,0,+-2], [0,+-2,0], and [+-2,0,0]).