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.

A045748 a(n) is the number consisting of the last n digits (although any leading 0's among those last n digits are omitted) of Sum_{j=1..k} j! for all sufficiently large k.

Table of values

n a(n)
1 3
2 13
3 313
4 313
5 40313
6 940313
7 940313
8 20940313
9 420940313
10 420940313
11 20420940313
12 920420940313
13 8920420940313
14 28920420940313
15 528920420940313
16 6528920420940313
17 36528920420940313
18 336528920420940313
19 2336528920420940313
20 42336528920420940313

List of values

[3, 13, 313, 313, 40313, 940313, 940313, 20940313, 420940313, 420940313, 20420940313, 920420940313, 8920420940313, 28920420940313, 528920420940313, 6528920420940313, 36528920420940313, 336528920420940313, 2336528920420940313, 42336528920420940313]

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

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