A282471 - OEIS

%I #14 Oct 30 2017 21:43:00

%S 0,1,8,7,24,22,40,22,80,54,80,22,80,54,112,70,240,134,144,22,80,54,

%T 112,70,240,134,176,70,240,150,336,246,720,326,272,22,80,54,112,70,

%U 240,134,176,70,240,150,336,246,720,326,304,70,240,150,336,246,720,342,464,246,752,454,1136,838,2064

%N First differences of A282470.

%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/Ce#cell">Index entries for sequences related to cellular automata</a>

%F a(2n) = 2*A187211(2n).

%F a(2n+1) = A187211(2n+1).

%e Written as an irregular triangle the sequence begins:

%e 0;

%e 1;

%e 8;

%e 7;

%e 24;

%e 22, 40;

%e 22, 80, 54, 80;

%e 22, 80, 54, 112, 70, 240, 134, 144;

%e 22, 80, 54, 112, 70, 240, 134, 176, 70, 240, 150, 336, 246, 720, 326, 272;

%e 22, 80, 54, 112, 70, 240, 134, 176, 70, 240, 150, 336, 246, 720, 326, 304, 70,...

%e ...

%e Starting from a(3) = 7 the row lengths of triangle are the terms of A011782.

%Y Cf. A011782, A139251, A187210, A187211, A182470, A282470.

%K nonn,tabf

%O 0,3

%A _Omar E. Pol_, Mar 17 2017