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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.

A171978 Number of partitions of n into fractions k/(k+1), 0 < k <= n.

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 7
5 22
6 37
7 84
8 172
9 454
10 745
11 2904
12 4722
13 10464
14 38546
15 88769
16 147439
17 475153
18 785894
19 3140342
20 10412267
21 19169464
22 32132160
23 125087460
24 224341028
25 394553026
26 799614318
27 3108061596
28 5172450911
29 21360507716
30 35407697816
31 81523452326
32 238510777299

List of values

[1, 1, 2, 4, 7, 22, 37, 84, 172, 454, 745, 2904, 4722, 10464, 38546, 88769, 147439, 475153, 785894, 3140342, 10412267, 19169464, 32132160, 125087460, 224341028, 394553026, 799614318, 3108061596, 5172450911, 21360507716, 35407697816, 81523452326, 238510777299]

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

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