cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-3 of 3 results.

A151888 Net increase in number of ON toothpicks at generation n in A151885.

Original entry on oeis.org

0, 1, 2, 2, 6, -6, 10, 2, 22, -34, 10, 10, 30, -38, 34, 10, 78, -134, 10, 10, 30, -30, 50, 10, 110, -178, 34, 34, 102, -126, 122, 34, 278, -490, 10, 10, 30, -30, 50, 10, 110, -170, 50, 50, 150, -190, 170, 50, 390, -678, 34, 34
Offset: 0

Views

Author

N. J. A. Sloane, Jul 23 2009

Keywords

Crossrefs

Formula

a(n) = A151886(n)+A151887(n).

Extensions

Terms after a(8) from Nathaniel Johnston, Apr 02 2011

A151886 Number of toothpicks turned ON at generation n in A151885.

Original entry on oeis.org

0, 1, 2, 4, 6, 4, 10, 12, 22, 4, 10, 20, 30, 12, 34, 44, 78, 4, 10, 20, 30, 20, 50, 60, 110, 12, 34, 68, 102, 44, 122, 156, 278, 4, 10, 20, 30, 20, 50, 60, 110, 20, 50, 100, 150, 60, 170, 220, 390, 12, 34, 68, 102, 68, 170
Offset: 0

Views

Author

N. J. A. Sloane, Jul 23 2009

Keywords

Crossrefs

Extensions

Terms after a(8) from Nathaniel Johnston, Apr 02 2011

A151887 Number of toothpicks turned OFF at generation n in A151885.

Original entry on oeis.org

0, 0, 0, 2, 0, 10, 0, 10, 0, 38, 0, 10, 0, 50, 0, 34, 0, 138, 0, 10, 0, 50, 0, 50, 0, 190, 0, 34, 0, 170, 0, 122, 0, 494, 0, 10, 0, 50, 0, 50, 0, 190, 0, 50, 0, 250, 0, 170, 0, 690, 0, 34, 0, 170, 0, 170, 0, 646, 0, 122, 0, 610, 0, 434, 0, 1762
Offset: 0

Views

Author

N. J. A. Sloane, Jul 23 2009

Keywords

Crossrefs

Formula

a(2n) = 0 for all n >= 0.

Extensions

Terms after a(8) from Nathaniel Johnston, Apr 02 2011
Showing 1-3 of 3 results.