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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.

A368807 a(n) = Product_{k1=1..k2, k2=1..k3, k3=1..k4, k4=1..n} (k1 + k2 + k3 + k4).

Table of values

n a(n)
0 1
1 4
2 6720
3 19313344512000
4 20823306760116073109787770880000000
5 127561365195629861072526583814017987280486114546255888016998400000000000000

List of values

[1, 4, 6720, 19313344512000, 20823306760116073109787770880000000, 127561365195629861072526583814017987280486114546255888016998400000000000000]

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

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