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Corner sequence associated with A194440 and A194441.
5

%I #19 Mar 24 2017 00:47:53

%S 0,2,4,8,14,22,30,42,55,67,77,93,113,145,165,189,216,236,246,262,286,

%T 322,363,411,459,513,547,591,641,721,769,817,872,908,918,934,958,994,

%U 1035,1083,1137,1205,1267,1347,1427,1551,1646,1750,1839,1933,1977,2025,2093

%N Corner sequence associated with A194440 and A194441.

%C The sequence gives the number of toothpicks and D-toothpicks after n-th stage in the D-toothpick "corner" structure related to the D-toothpick "wide" triangle (See A194440). The first differences (A194693) give the number of toothpicks or D-toothpicks added at n-th stage.

%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. A153006, A170883, A194270, A194440, A194441, A194694.

%K nonn

%O 0,2

%A _Omar E. Pol_, Sep 01 2011