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.

A222620 Palindromic time display in hours, minutes, seconds on a six spaced 24-hour digital clock.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 44, 55, 101, 111, 121, 131, 141, 151, 202, 212, 222, 232, 242, 252, 303, 313, 323, 333, 343, 353, 404, 414, 424, 434, 444, 454, 505, 515, 525, 535, 545, 555, 606, 616, 626, 636, 646, 656, 707, 717, 727, 737, 747, 757
Offset: 1

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Author

Nathaniel Johnston, Feb 26 2013

Keywords

Comments

Leading zeros are ignored, so the term a(3) = 2, for example, corresponds to the display 00:00:02. Sequence has 699 entries. Greatest leap occurs between the successive terms a(675) = 155551 and a(676) = 200002; that is, between 15h55m51s and 20h00m02s.

Crossrefs

Cf. A082567.