A256536 - OEIS

%I #21 Jan 21 2016 16:38:05

%S 1,4,9,18,27,36,53,78,95,104,121,150,187,220,261,318,351,360,377,406,

%T 443,480,533,618,703,752,793,866,967,1060,1161,1286,1351,1360,1377,

%U 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

%N Corner sequence associated with A151723.

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

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

%C Partial sums of A256537.

%C See also the Formula section in A256537.

%C Compare A256138.

%H David Applegate, <a href="/A139250/a139250.anim.html">The movie version</a>

%H N. J. A. Sloane, <a href="/wiki/Catalog_of_Toothpick_and_CA_Sequences_in_OEIS">Catalog of Toothpick and Cellular Automata Sequences in the OEIS</a>

%H <a href="/index/To#toothpick">Index entries for sequences related to toothpick sequences</a>

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

%K nonn

%O 1,2

%A _Omar E. Pol_, Apr 01 2015