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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.

A248927 Triangle read by rows: T(n,k) are the coefficients of the Lagrange (compositional) inversion of a function in terms of the Taylor series expansion of its reciprocal, n >= 1, k = 1..A000041(n-1).

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 6
6 9
7 1
8 24
9 72
10 12
11 16
12 1
13 120
14 600
15 300
16 200
17 50
18 25
19 1
20 720
21 5400
22 5400
23 2400
24 450
25 1800
26 450
27 60
28 90
29 36
30 1
31 5040
32 52920
33 88200
34 29400
35 22050
36 44100
37 7350
38 4410
39 2940
40 4410
41 882
42 245
43 147
44 49
45 1
46 40320
47 564480
48 1411200
49 376320
50 705600
51 940800

List of values

[1, 1, 2, 1, 6, 9, 1, 24, 72, 12, 16, 1, 120, 600, 300, 200, 50, 25, 1, 720, 5400, 5400, 2400, 450, 1800, 450, 60, 90, 36, 1, 5040, 52920, 88200, 29400, 22050, 44100, 7350, 4410, 2940, 4410, 882, 245, 147, 49, 1, 40320, 564480, 1411200, 376320, 705600, 940800]