A235998 - cp's OEIS frontend

A235998 Triangle read by rows: T(n,k) is the number of compositions of n having k distinct parts (n>=1, 1<=k<=floor((sqrt(1+8*n)-1)/2)).

n	a(n)
1	1
2	2
3	2
4	2
5	3
6	5
7	2
8	14
9	4
10	22
11	6
12	2
13	44
14	18
15	4
16	68
17	56
18	3
19	107
20	146
21	4
22	172
23	312
24	24
25	2
26	261
27	677
28	84
29	6
30	396
31	1358
32	288
33	2
34	606
35	2666
36	822
37	4
38	950
39	5012
40	2226
41	4
42	1414
43	9542
44	5304
45	120
46	5
47	2238
48	17531
49	12514
50	480
51	2
52	3418
53	32412
54	27904
55	1800
56	6
57	5411
58	58995
59	61080
60	5580

[1, 2, 2, 2, 3, 5, 2, 14, 4, 22, 6, 2, 44, 18, 4, 68, 56, 3, 107, 146, 4, 172, 312, 24, 2, 261, 677, 84, 6, 396, 1358, 288, 2, 606, 2666, 822, 4, 950, 5012, 2226, 4, 1414, 9542, 5304, 120, 5, 2238, 17531, 12514, 480, 2, 3418, 32412, 27904, 1800, 6, 5411, 58995, 61080, 5580]

cp's OEIS Frontend

A235998 Triangle read by rows: T(n,k) is the number of compositions of n having k distinct parts (n>=1, 1<=k<=floor((sqrt(1+8*n)-1)/2)).

Table of values

List of values