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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.

A328923 Triangle T(n,k) read by rows: connected topologies of Goldstone diagrams with n interactions and k external potentials.

Table of values

n a(n)
0 1
1 2
2 1
3 6
4 4
5 1
6 76
7 60
8 18
9 2
10 2124
11 1776
12 600
13 96
14 6
15 97968
16 84720
17 31080
18 6000
19 600
20 24
21 6624720
22 5876640
23 2287440
24 497280
25 63000
26 4320
27 120
28 615022560
29 556466400
30 226250640
31 53373600
32 7832160
33 705600
34 35280
35 720
36 74975211360
37 68882446080
38 28936252800
39 7240020480

List of values

[1, 2, 1, 6, 4, 1, 76, 60, 18, 2, 2124, 1776, 600, 96, 6, 97968, 84720, 31080, 6000, 600, 24, 6624720, 5876640, 2287440, 497280, 63000, 4320, 120, 615022560, 556466400, 226250640, 53373600, 7832160, 705600, 35280, 720, 74975211360, 68882446080, 28936252800, 7240020480]

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

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