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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.

A082309 Expansion of e.g.f.: (1+x)*exp(5*x)*cosh(x).

Table of values

n a(n)
0 1
1 6
2 36
3 218
4 1336
5 8280
6 51776
7 325792
8 2057856
9 13023104
10 82456576
11 521826816
12 3298727936
13 20822038528
14 131210919936
15 825373859840
16 5182772248576
17 32487861092352
18 203308891897856
19 1270289732337664
20 7924975155019776

List of values

[1, 6, 36, 218, 1336, 8280, 51776, 325792, 2057856, 13023104, 82456576, 521826816, 3298727936, 20822038528, 131210919936, 825373859840, 5182772248576, 32487861092352, 203308891897856, 1270289732337664, 7924975155019776]

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

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