A256536 Corner sequence associated with A151723.

1, 4, 9, 18, 27, 36, 53, 78, 95, 104, 121, 150, 187, 220, 261, 318, 351, 360, 377, 406, 443, 480, 533, 618, 703, 752, 793, 866, 967, 1060, 1161, 1286, 1351, 1360, 1377, 1406, 1443, 1480, 1533, 1618, 1703, 1756, 1809, 1902, 2035, 2176, 2325, 2522, 2703, 2784, 2825, 2898, 2999, 3108, 3249, 3470, 3723, 3896, 4013, 4186, 4435, 4672, 4909, 5174, 5303

Offset

1,2

Comments

Total number of ON cells after n generations in one of the outside corners of an infinite hexagon-shaped structure on hexagonal grid.

For an animation see "The movie version" in Links section.

Partial sums of A256537.

See also the Formula section in A256537.

Compare A256138.

Links

Table of n, a(n) for n=1..65.

David Applegate, The movie version

N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Index entries for sequences related to toothpick sequences

Crossrefs

Cf. A151723, A153006, A169779, A256138, A256537.

Sequence in context: A229027 A100435 A160172 * A026412 A101424 A301197

Adjacent sequences: A256533 A256534 A256535 * A256537 A256538 A256539

Keyword

nonn

Author

Omar E. Pol, Apr 01 2015

Status

approved