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 1-1 of 1 results.

A383890 Index of record gaps between totient numbers.

Original entry on oeis.org

1, 2, 7, 30, 85, 257, 1031, 2493, 3288, 7604, 13392, 22663, 26818, 31377, 110175, 186971, 400432, 890621, 1536566, 17176199, 27501485, 102834105, 173246634, 182261294, 214104745, 268935021, 1781734397, 4010389565, 6213586719
Offset: 1

Views

Author

Jud McCranie, May 13 2025

Keywords

Comments

Values of k such that A002202(k+1) - A002202(k) > A002202(i+1) - A002202(i) for all iA383889.

Examples

			A002202(8)-A002202(7) = 4, which is greater than A002202(i+i)-A002202(i) for all i<7, so 7 is in the sequence.

Crossrefs

Cf. A000010, A002202, A083533, A383889.
Showing 1-1 of 1 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.