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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.

A260856 Base-6 representation is the concatenation of the base-6 representations of 1, 2, ..., n, n-1, ..., 1.

Table of values

n a(n)
0 0
1 1
2 49
3 1849
4 67081
5 2418025
6 522134761
7 676678989289
8 876975982612969
9 1136560874204496361
10 1472982892995886760425
11 1908985829323636470956521
12 2474045634803467686907986409
13 3206363142705295375772778742249
14 4155446632946062852128962559066601

List of values

[0, 1, 49, 1849, 67081, 2418025, 522134761, 676678989289, 876975982612969, 1136560874204496361, 1472982892995886760425, 1908985829323636470956521, 2474045634803467686907986409, 3206363142705295375772778742249, 4155446632946062852128962559066601]

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

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