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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.

A234598 Cardinality of the Weyl alternation set corresponding to the zero-weight in the adjoint representation of the Lie algebra of so(2n).

Table of values

n a(n)
4 9
5 18
6 35
7 82
8 180
9 385
10 846
11 1853
12 4034
13 8810
14 19249
15 42014
16 91727
17 200298
18 437316
19 954809
20 2084746
21 4551801
22 9938290
23 21699138
24 47377577
25 103443386
26 225856667
27 493131922
28 1076696324
29 2350841633
30 5132790390
31 11206852917
32 24468864530

List of values

[9, 18, 35, 82, 180, 385, 846, 1853, 4034, 8810, 19249, 42014, 91727, 200298, 437316, 954809, 2084746, 4551801, 9938290, 21699138, 47377577, 103443386, 225856667, 493131922, 1076696324, 2350841633, 5132790390, 11206852917, 24468864530]

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

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