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A220527 Number of toothpicks or D-toothpicks added at n-th stage in the toothpick structure of A220526. 4

%I #8 Mar 29 2013 12:27:51

%S 0,1,2,4,4,4,4,7,8,4,4,8,12,14,12,15,16,4,4,8,12,16,10,24,26

%N Number of toothpicks or D-toothpicks added at n-th stage in the toothpick structure of A220526.

%C Essentially the first differences of A220526.

%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>

%e Written as an irregular triangle begins:

%e 0;

%e 1;

%e 2;

%e 4,4;

%e 4,4,7,8;

%e 4,4,8,12,14,12,15,16;

%e 4,4,8,12,16,10,24,26,...

%Y Cf. A139250, A139251, A194271, A194441, A194443, A220501, A220521, A220523, A220526.

%K nonn,tabf,more

%O 0,3

%A _Omar E. Pol_, Jan 02 2013

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Last modified April 24 13:15 EDT 2024. Contains 371948 sequences. (Running on oeis4.)