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A225355 a(n) = A221565(n)/4. 0
0, 1, 2, 4, 4, 4, 7, 12, 8, 4, 8, 16, 16, 20, 21, 28, 16, 4, 8, 16, 24, 28, 36, 44, 34, 28, 24, 44, 44, 52, 49, 60, 32, 4, 8, 16, 24, 28, 38 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..38.

N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Index entries for sequences related to toothpick sequences

EXAMPLE

When written as a irregular triangle begins:

0;

1;

2;

4,4;

4,7,12,8;

4,8,16,16,20,21,28,16;

4,8,16,24,28,36,44,34,28,24,44,44,52,49,60,32;

4,8,16,24,28,38...

CROSSREFS

Row lengths give 1 together with A011782. Right border gives 0 together with A000079.

Cf. A139251, A182635, A221565.

Sequence in context: A043552 A035545 A023820 * A117726 A172307 A108039

Adjacent sequences:  A225352 A225353 A225354 * A225356 A225357 A225358

KEYWORD

nonn,tabf,more

AUTHOR

Omar E. Pol, May 13 2013

STATUS

approved

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Last modified April 23 07:51 EDT 2019. Contains 322381 sequences. (Running on oeis4.)