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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.

A344678 Coefficients for normal ordering of (x + D)^n and for the unsigned, probabilist's (or Chebyshev) Hermite polynomials H_n(x+y).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 1
8 3
9 3
10 3
11 3
12 1
13 1
14 4
15 6
16 6
17 12
18 4
19 3
20 6
21 1
22 1
23 5
24 10
25 10
26 30
27 10
28 15
29 30
30 5
31 15
32 10
33 1
34 1
35 6
36 15
37 15
38 60
39 20
40 45
41 90
42 15
43 90
44 60
45 6
46 15
47 45
48 15
49 1
50 1
51 7
52 21
53 21
54 105
55 35
56 105
57 210
58 35
59 315
60 210
61 21
62 105
63 315
64 105
65 7
66 105
67 105
68 21
69 1

List of values

[1, 1, 1, 1, 2, 1, 1, 1, 3, 3, 3, 3, 1, 1, 4, 6, 6, 12, 4, 3, 6, 1, 1, 5, 10, 10, 30, 10, 15, 30, 5, 15, 10, 1, 1, 6, 15, 15, 60, 20, 45, 90, 15, 90, 60, 6, 15, 45, 15, 1, 1, 7, 21, 21, 105, 35, 105, 210, 35, 315, 210, 21, 105, 315, 105, 7, 105, 105, 21, 1]

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

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