A151549 a(n) = (A151548(n)-1)/2.

0, 1, 2, 3, 2, 5, 8, 7, 2, 5, 8, 9, 10, 19, 24, 15, 2, 5, 8, 9, 10, 19, 24, 17, 10, 19, 26, 29, 40, 63, 64, 31, 2, 5, 8, 9, 10, 19, 24, 17, 10, 19, 26, 29, 40, 63, 64, 33, 10, 19, 26, 29, 40, 63, 66, 45, 40, 65, 82, 99, 144, 191, 160, 63, 2, 5, 8, 9, 10, 19, 24, 17, 10, 19, 26, 29, 40, 63

Offset

0,3

Links

Table of n, a(n) for n=0..77.

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

Example

From Omar E. Pol, Nov 30 2013: (Start)
Written as an irregular triangle in which row lengths is A011782 the right border gives A000225.
Triangle begins:
0;
1;
2,3;
2,5,8,7;
2,5,8,9,10,19,24,15;
2,5,8,9,10,19,24,17,10,19,26,29,40,63,64,31;
2,5,8,9,10,19,24,17,10,19,26,29,40,63,64,33,10,19,26,29,40,63,66,45,40,65,82,99,144,191,160,63;
(End)

Crossrefs

Cf. A160552.

Sequence in context: A323382 A064939 A248012 * A086989 A110642 A079535

Adjacent sequences: A151546 A151547 A151548 * A151550 A151551 A151552

Keyword

nonn,tabf

Author

N. J. A. Sloane, May 18 2009

Status

approved