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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.

A007819 a(n) = Sum_{j=1..n} binomial(n^2, j).

Table of values

n a(n)
1 1
2 10
3 129
4 2516
5 68405
6 2391495
7 102022809
8 5130659560
9 296881218693
10 19415908147835
11 1415538531617771
12 113796709835547766
13 9998149029974754103
14 952980844872975079231
15 97930011125976327934825

List of values

[1, 10, 129, 2516, 68405, 2391495, 102022809, 5130659560, 296881218693, 19415908147835, 1415538531617771, 113796709835547766, 9998149029974754103, 952980844872975079231, 97930011125976327934825]

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

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