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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.

A367487 Expansion of e.g.f. 1/(4 - 3*exp(x))^(x/2).

Table of values

n a(n)
0 1
1 0
2 3
3 18
4 195
5 2730
6 47745
7 1001742
8 24523401
9 686190258
10 21601161015
11 755533274826
12 29066119327179
13 1219715093642838
14 55441103383640793
15 2713468284508412430
16 142269924567096468177
17 7955396173559375208426
18 472576083221524737100311

List of values

[1, 0, 3, 18, 195, 2730, 47745, 1001742, 24523401, 686190258, 21601161015, 755533274826, 29066119327179, 1219715093642838, 55441103383640793, 2713468284508412430, 142269924567096468177, 7955396173559375208426, 472576083221524737100311]

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

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