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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.

A259700 a(n) = Sum_{k=2..n-1} k*A259698(n,k).

Table of values

n	a(n)
2	1
3	3
4	8
5	25
6	72
7	229
8	689
9	2224
10	6875
11	22457
12	70767

List of values

[1, 3, 8, 25, 72, 229, 689, 2224, 6875, 22457, 70767]

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

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