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.

A361501 A variant of A359143 in which all copies of a digit d are erased only when d is both the leading digit and the final digit of (a(n) concatenated with sum of digits of a(n)).

Table of values

n a(n)
0 11
1 112
2 1124
3 11248
4 1124816
5 112481623
6 11248162328
7 1124816232838
8 112481623283849
9 11248162328384962
10 1124816232838496270
11 112481623283849627077
12 2486232838496270779
13 248623283849627077997
14 248623283849627077997113
15 248623283849627077997113118
16 248623283849627077997113118128

List of values

[11, 112, 1124, 11248, 1124816, 112481623, 11248162328, 1124816232838, 112481623283849, 11248162328384962, 1124816232838496270, 112481623283849627077, 2486232838496270779, 248623283849627077997, 248623283849627077997113, 248623283849627077997113118, 248623283849627077997113118128]

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

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