A365140 List of free 4-dimensional polyhypercubes in binary code (see A365139), ordered first by the number of cells, then by the value of the binary code.

1, 3, 7, 35, 15, 39, 71, 75, 99, 102, 32803, 31, 47, 79, 91, 103, 107, 167, 230, 333, 355, 358, 391, 454, 2567, 32807, 32867, 32870, 65575, 65579, 65733, 65734, 65764, 65862, 65866, 196678, 34359771171, 63, 95, 111, 123, 175, 231, 335, 343, 349, 359, 366, 371

Offset

1,2

Comments

Can be read as an irregular triangle, whose n-th row contains A068870(n) terms.

Links

Table of n, a(n) for n=1..49.

Index entries for sequences related to polyominoes.

Example

As an irregular triangle:
  1;
  3;
  7, 35;
  15, 39, 71, 75, 99, 102, 32803;
  ...

Crossrefs

Cf. A068870, A246521 (2 dimensions), A365139 (3 dimensions), A365141 (5 dimensions).

Sequence in context: A081890 A192880 A355156 * A318444 A334314 A179115

Adjacent sequences: A365137 A365138 A365139 * A365141 A365142 A365143

Keyword

nonn,tabf

Author

Pontus von Brömssen, Aug 23 2023

Status

approved