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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.

A188682 Partial sums of binomials bin(3n,n)^2/(2n+1).

Table of values

n a(n)
0 1
1 4
2 49
3 1057
4 28282
5 848101
6 27357493
7 928760053
8 32747441926
9 1188869998801
10 44174723634526
11 1672716549215326
12 64340599136306926
13 2507814491482180894
14 98859670298036582494
15 3935425516392739090270
16 158006444406545953115743

List of values

[1, 4, 49, 1057, 28282, 848101, 27357493, 928760053, 32747441926, 1188869998801, 44174723634526, 1672716549215326, 64340599136306926, 2507814491482180894, 98859670298036582494, 3935425516392739090270, 158006444406545953115743]

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

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