cp's OEIS Frontend

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.

A082171 A subclass of quasi-acyclic automata with 2 inputs, n transient and k absorbing labeled states; square array T(n,k) read by descending antidiagonals (n >= 0 and k >= 1).

Table of values

n a(n)
0 1
1 1
2 3
3 1
4 8
5 39
6 1
7 15
8 176
9 1206
10 1
11 24
12 495
13 7784
14 69189
15 1
16 35
17 1104
18 29430
19 585408
20 6416568
21 1
22 48
23 2135
24 84600
25 2791125
26 67481928
27 881032059
28 1
29 63
30 3744
31 204470
32 9841728
33 389244600
34 11111547520
35 168514815360
36 1
37 80
38 6111
39 437616
40 28569765
41 1627740504
42 75325337235
43 2483829653544
44 42934911510249

List of values

[1, 1, 3, 1, 8, 39, 1, 15, 176, 1206, 1, 24, 495, 7784, 69189, 1, 35, 1104, 29430, 585408, 6416568, 1, 48, 2135, 84600, 2791125, 67481928, 881032059, 1, 63, 3744, 204470, 9841728, 389244600, 11111547520, 168514815360, 1, 80, 6111, 437616, 28569765, 1627740504, 75325337235, 2483829653544, 42934911510249]