A171871 - cp's OEIS frontend

A171871 Triangle read by rows: Distinct classifications of N elements containing exactly R binary partitions.

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	0
8	1
9	2
10	0
11	0
12	0
13	3
14	3
15	0
16	0
17	0
18	3
19	17
20	6
21	0
22	0
23	0
24	1
25	36
26	74
27	11
28	0
29	0
30	0
31	1
32	60
33	573
34	358
35	23
36	0
37	0
38	0
39	0
40	56
41	2802
42	7311
43	1631
44	47
45	0
46	0
47	0
48	0
49	50
50	10087
51	107938
52	83170
53	7563
54	106
55	0
56	0
57	0
58	0
59	27
60	26512
61	1186969
62	3121840
63	866657
64	34751
65	235
66	0
67	0
68	0
69	0
70	19

[1, 0, 1, 0, 0, 1, 0, 0, 1, 2, 0, 0, 0, 3, 3, 0, 0, 0, 3, 17, 6, 0, 0, 0, 1, 36, 74, 11, 0, 0, 0, 1, 60, 573, 358, 23, 0, 0, 0, 0, 56, 2802, 7311, 1631, 47, 0, 0, 0, 0, 50, 10087, 107938, 83170, 7563, 106, 0, 0, 0, 0, 27, 26512, 1186969, 3121840, 866657, 34751, 235, 0, 0, 0, 0, 19]

cp's OEIS Frontend

A171871 Triangle read by rows: Distinct classifications of N elements containing exactly R binary partitions.

Table of values

List of values