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.

A379906 Smallest integer greater than 1 and not ending in 0 whose congruence speed is not constant at height n (see A373387).

Table of values

n a(n)
1 2
2 2
3 5
4 307
5 807
6 72943
7 795807
8 1295807
9 16295807
10 166295807
11 16666295807
12 31666295807
13 81666295807
14 8581666295807
15 26581907922943
16 503581666295807
17 2003581666295807
18 90476581907922943
19 140476581907922943
20 6847003581666295807
21 61847003581666295807
22 911847003581666295807

List of values

[2, 2, 5, 307, 807, 72943, 795807, 1295807, 16295807, 166295807, 16666295807, 31666295807, 81666295807, 8581666295807, 26581907922943, 503581666295807, 2003581666295807, 90476581907922943, 140476581907922943, 6847003581666295807, 61847003581666295807, 911847003581666295807]

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

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