cp's OEIS Frontend

A221565 Number of toothpicks or D-toothpicks added at n-th stage to the structure of A220512.

%I A221565 #26 May 29 2013 04:56:56
%S A221565 0,4,8,16,16,16,28,48,32,16,32,64,64,80,84,112,64,16,32,64,96,112,144,
%T A221565 176,136,112,96,176,176,208,196,240,128,16,32,64,96,112,152
%N A221565 Number of toothpicks or D-toothpicks added at n-th stage to the structure of A220512.
%C A221565 The first differences of A220512.
%C A221565 First differs from A194433 at a(14).
%H A221565 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 A221565 <a href="/index/To#toothpick">Index entries for sequences related to toothpick sequences</a>
%e A221565 When written as a irregular triangle begins:
%e A221565 0;
%e A221565 4;
%e A221565 8;
%e A221565 16,16;
%e A221565 16,28,48,32;
%e A221565 16,32,64,64,80,84,112,64;
%e A221565 16,32,64,96,112,144,176,136,112,96,176,176,208,196,240,128;
%e A221565 16,32,64,96,112,152...
%Y A221565 Row lengths give 1 together with A011782. Right border gives 0 together with four times A000079.
%Y A221565 Cf. A139251, A194271, A194701, A194443, A220501, A220512, A220521, A220523, A220525, A220527, A221528.
%K A221565 nonn,tabf,more
%O A221565 0,2
%A A221565 _Omar E. Pol_, May 13 2013