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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.

A251184 a(n) = Sum_{k=0..n} binomial(n,k) * (2^k + 3)^k.

Table of values

n a(n)
0 1
1 6
2 60
3 1494
4 135960
5 53187306
6 90775495620
7 662696938144254
8 20254044105203565360
9 2548567387213968842106066
10 1305307745923414524904985640540
11 2701621925224675918174411993192242534
12 22497571753504120612543889146545487252194120
13 751859379104473999264213367292907652977053019173306

List of values

[1, 6, 60, 1494, 135960, 53187306, 90775495620, 662696938144254, 20254044105203565360, 2548567387213968842106066, 1305307745923414524904985640540, 2701621925224675918174411993192242534, 22497571753504120612543889146545487252194120, 751859379104473999264213367292907652977053019173306]

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

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