A180174 - cp's OEIS frontend

A180174 Triangle read by rows of the numbers C(n,k) of k-subsets of a quadratically populated n-multiset M.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	2
8	1
9	1
10	3
11	5
12	7
13	9
14	10
15	10
16	10
17	10
18	10
19	9
20	7
21	5
22	3
23	1
24	1
25	4
26	9
27	16
28	25
29	35
30	45
31	55
32	65
33	75
34	84
35	91
36	96
37	99
38	100
39	100
40	100
41	99
42	96
43	91
44	84
45	75
46	65
47	55
48	45
49	35
50	25
51	16
52	9
53	4
54	1
55	1
56	5
57	14
58	30
59	55
60	90
61	135
62	190
63	255
64	330
65	414
66	505
67	601
68	700
69	800
70	900
71	1000
72	1099

[1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 3, 5, 7, 9, 10, 10, 10, 10, 10, 9, 7, 5, 3, 1, 1, 4, 9, 16, 25, 35, 45, 55, 65, 75, 84, 91, 96, 99, 100, 100, 100, 99, 96, 91, 84, 75, 65, 55, 45, 35, 25, 16, 9, 4, 1, 1, 5, 14, 30, 55, 90, 135, 190, 255, 330, 414, 505, 601, 700, 800, 900, 1000, 1099]

cp's OEIS Frontend

A180174 Triangle read by rows of the numbers C(n,k) of k-subsets of a quadratically populated n-multiset M.

Table of values

List of values