A056057 - cp's OEIS frontend

A056057 The largest square which divides n-th central binomial coefficient.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	4
7	1
8	1
9	9
10	36
11	1
12	4
13	4
14	4
15	9
16	9
17	1
18	4
19	1
20	4
21	4
22	4
23	1
24	4
25	100
26	100
27	900
28	900
29	36
30	144
31	9
32	9
33	9
34	36
35	25
36	100
37	100
38	100
39	9
40	36
41	4
42	4
43	4
44	4
45	900
46	3600
47	225
48	900
49	1764
50	1764
51	1764
52	1764
53	196
54	784
55	4
56	4
57	4
58	16
59	4
60	16
61	16
62	16
63	441
64	441
65	49
66	196
67	49
68	196
69	36
70	36
71	1
72	4

[1, 1, 1, 1, 1, 4, 1, 1, 9, 36, 1, 4, 4, 4, 9, 9, 1, 4, 1, 4, 4, 4, 1, 4, 100, 100, 900, 900, 36, 144, 9, 9, 9, 36, 25, 100, 100, 100, 9, 36, 4, 4, 4, 4, 900, 3600, 225, 900, 1764, 1764, 1764, 1764, 196, 784, 4, 4, 4, 16, 4, 16, 16, 16, 441, 441, 49, 196, 49, 196, 36, 36, 1, 4]

cp's OEIS Frontend

A056057 The largest square which divides n-th central binomial coefficient.

Table of values

List of values