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.

A087083 Take unbounded lunar divisors of n as defined in A087029, add them using normal addition. See A087416 for their lunar sum.

Original entry on oeis.org

45, 44, 42, 39, 35, 30, 24, 17, 9, 495, 4500, 168, 154, 138, 120, 100, 78, 54, 28, 484, 492, 3916, 224, 198, 170, 140, 108, 74, 38, 462, 469, 476, 3276, 258, 220, 180, 138, 94, 48, 429, 435, 441, 447, 2613, 270, 220, 168, 114, 58, 385, 390, 395
Offset: 1

Views

Author

Marc LeBrun and N. J. A. Sloane, Oct 19 2003

Keywords

Extensions

More terms from David Applegate, Nov 07 2003

A190632 In base 3 lunar arithmetic, the lunar sum of the lunar divisors of n.

Original entry on oeis.org

2, 2, 22, 22, 12, 22, 22, 22, 222, 202, 102, 222, 222, 112, 122, 122, 122, 222, 202, 202, 222, 222, 212, 222, 222, 222, 2222, 2002, 1002, 2222, 2022, 1012, 1122, 1022, 1022, 2222, 2202, 1102, 2222, 2222, 1112, 1122, 1122, 1122, 1222, 1202, 1202, 1222, 1222, 1212, 1222, 1222, 1222, 2222, 2002, 2002, 2222, 2012, 2012, 2222, 2022, 2022, 2222, 2102, 2102, 2222, 2222, 2112, 2222, 2222, 2122, 2222, 2202, 2202, 2222, 2222, 2212, 2222, 2222, 2222
Offset: 1

Views

Author

N. J. A. Sloane, May 14 2011

Keywords

Crossrefs

A186442 In base 2, excess of lunar sum of lunar divisors of n over number of lunar divisors of n.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 7, 8, 81, 9, 3, 5, 7, 9, 11, 13, 15, 17, 83, 83, 27, 15, 17, 19, 21, 23, 25, 27, 85, 85, 85, 43, 27, 29, 31, 33, 35, 37, 87, 87, 87, 87, 57, 39, 41, 43, 45, 47, 89, 89, 89, 89, 89, 69, 51, 53, 55, 57, 91, 91, 91, 91, 91, 91, 79, 63, 65, 67
Offset: 1

Views

Author

N. J. A. Sloane, Feb 21 2011

Keywords

Crossrefs

Equals A087416(n) - A087029(n).
Showing 1-3 of 3 results.