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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.

A121304 Number of parts in all the compositions of n into primes (i.e., in all ordered sequences of primes having sum n).

Table of values

n a(n)
2 1
3 1
4 2
5 5
6 5
7 14
8 17
9 32
10 53
11 76
12 139
13 198
14 334
15 515
16 798
17 1280
18 1938
19 3075
20 4710
21 7299
22 11298
23 17296
24 26738
25 40874
26 62763
27 96036
28 146674
29 224210
30 341562
31 520767
32 792375
33 1204951
34 1831124
35 2779234
36 4217008
37 6391663
38 9683056
39 14659038
40 22177341

List of values

[1, 1, 2, 5, 5, 14, 17, 32, 53, 76, 139, 198, 334, 515, 798, 1280, 1938, 3075, 4710, 7299, 11298, 17296, 26738, 40874, 62763, 96036, 146674, 224210, 341562, 520767, 792375, 1204951, 1831124, 2779234, 4217008, 6391663, 9683056, 14659038, 22177341]

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

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