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.

A325901 Numbers having at least two representations as multinomial coefficients M(n;lambda), where lambda is a partition of n into distinct parts.

Table of values

n a(n)
1 1
2 10
3 15
4 21
5 28
6 35
7 36
8 45
9 55
10 56
11 60
12 66
13 78
14 84
15 91
16 105
17 120
18 126
19 136
20 153
21 165
22 168
23 171
24 190
25 210
26 220
27 231
28 252
29 253
30 276
31 280
32 286
33 300
34 325
35 330
36 351
37 360
38 364
39 378
40 406
41 435
42 455
43 462
44 465
45 495
46 496
47 504
48 528
49 560
50 561
51 595
52 630
53 660
54 666
55 680

List of values

[1, 10, 15, 21, 28, 35, 36, 45, 55, 56, 60, 66, 78, 84, 91, 105, 120, 126, 136, 153, 165, 168, 171, 190, 210, 220, 231, 252, 253, 276, 280, 286, 300, 325, 330, 351, 360, 364, 378, 406, 435, 455, 462, 465, 495, 496, 504, 528, 560, 561, 595, 630, 660, 666, 680]

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

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