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.

A340247 Sum of the third largest parts r of the partitions of n into 4 parts q,r,s,t such that 1 <= q <= r <= s <= t and q + r + s > t.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 1
6 1
7 3
8 5
9 7
10 10
11 15
12 19
13 28
14 33
15 46
16 57
17 75
18 84
19 113
20 129
21 164
22 184
23 232
24 256
25 319
26 347
27 425
28 466
29 561
30 601
31 723
32 777
33 918
34 981
35 1152
36 1224
37 1428
38 1509
39 1746
40 1849
41 2122
42 2227
43 2550
44 2678
45 3040
46 3184
47 3600
48 3760
49 4234
50 4410
51 4942
52 5151
53 5745
54 5961
55 6635

List of values

[0, 0, 0, 1, 1, 1, 3, 5, 7, 10, 15, 19, 28, 33, 46, 57, 75, 84, 113, 129, 164, 184, 232, 256, 319, 347, 425, 466, 561, 601, 723, 777, 918, 981, 1152, 1224, 1428, 1509, 1746, 1849, 2122, 2227, 2550, 2678, 3040, 3184, 3600, 3760, 4234, 4410, 4942, 5151, 5745, 5961, 6635]