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.

A368557 Number of compositions of n such that the set of absolute differences is a subset of the set of parts.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 2
5 2
6 11
7 10
8 13
9 27
10 58
11 87
12 157
13 253
14 438
15 850
16 1462
17 2474
18 4472
19 7716
20 13544
21 24115
22 42360
23 74013
24 131038
25 229009
26 401946
27 707293
28 1242059
29 2177682
30 3828831
31 6716062
32 11777179
33 20678592
34 36267148
35 63586772
36 111556751
37 195610763
38 342949281

List of values

[1, 1, 1, 3, 2, 2, 11, 10, 13, 27, 58, 87, 157, 253, 438, 850, 1462, 2474, 4472, 7716, 13544, 24115, 42360, 74013, 131038, 229009, 401946, 707293, 1242059, 2177682, 3828831, 6716062, 11777179, 20678592, 36267148, 63586772, 111556751, 195610763, 342949281]

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

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