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 1-2 of 2 results.

A166720 Trisection A165342(3n).

Original entry on oeis.org

0, 3, 3, 9, 12, 15, 9, 21, 6, 27, 15, 33, 18, 39, 21, 45, 12, 51, 27, 57, 240, 63, 33, 69, 18, 75, 39, 81, 42, 87, 45, 93, 24, 99, 51, 105, 108, 111, 57, 117, 30, 123, 63, 129, 66, 135, 69, 141, 36, 147, 75, 153, 312, 159
Offset: 0

Views

Author

Paul Curtz, Oct 20 2009

Keywords

Formula

See A165351 from A026741.

Extensions

Edited by N. J. A. Sloane, Oct 22 2009

A168485 A165342(3n)/3.

Original entry on oeis.org

0, 1, 1, 3, 4, 5, 3, 7, 2, 9, 5, 11, 6, 13, 7, 15, 4, 17, 9, 19, 80, 21, 11, 23, 6, 25, 13, 27, 14, 29, 15, 31, 8, 33, 17, 35, 36, 37, 19, 39, 10, 41, 21, 43, 22, 45, 23, 47, 12, 49, 25, 51, 104, 53, 27, 55, 14, 57, 29, 59
Offset: 0

Views

Author

Paul Curtz, Nov 27 2009

Keywords

Formula

a(n) = A166720(n)/3.
a(2n+1) = 2n+1.
Showing 1-2 of 2 results.