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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.

A382642 a(n) = Sum_{k=0..n} (binomial(n,k) * binomial(n+k,k))^2 * 2^(n-k).

Table of values

n a(n)
0 1
1 6
2 112
3 2784
4 79716
5 2478936
6 81369856
7 2774798592
8 97345792804
9 3490750940376
10 127377525333312
11 4714499194430592
12 176563416839871504
13 6678628406445775968
14 254781841509308692992
15 9791397137378344986624
16 378713818451270226094884
17 14731112080159997036570328

List of values

[1, 6, 112, 2784, 79716, 2478936, 81369856, 2774798592, 97345792804, 3490750940376, 127377525333312, 4714499194430592, 176563416839871504, 6678628406445775968, 254781841509308692992, 9791397137378344986624, 378713818451270226094884, 14731112080159997036570328]

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

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