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.

A367468 Triangle read by rows: T(n,k) is the total number of movable letters in all members of the k-partitions of [n], with 1 <= k <= n.

Table of values

n a(n)
1 0
2 1
3 0
4 2
5 4
6 0
7 3
8 17
9 9
10 0
11 4
12 52
13 68
14 16
15 0
16 5
17 139
18 345
19 190
20 25
21 0
22 6
23 346
24 1474
25 1440
26 430
27 36
28 0
29 7
30 825
31 5733
32 8904
33 4550
34 847
35 49
36 0
37 8
38 1912
39 21048
40 49056
41 38304
42 11928
43 1512
44 64
45 0
46 9
47 4343
48 74385
49 251250
50 282135
51 130998
52 27342
53 2508
54 81
55 0

List of values

[0, 1, 0, 2, 4, 0, 3, 17, 9, 0, 4, 52, 68, 16, 0, 5, 139, 345, 190, 25, 0, 6, 346, 1474, 1440, 430, 36, 0, 7, 825, 5733, 8904, 4550, 847, 49, 0, 8, 1912, 21048, 49056, 38304, 11928, 1512, 64, 0, 9, 4343, 74385, 251250, 282135, 130998, 27342, 2508, 81, 0]

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

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