A249716 - cp's OEIS frontend

A249716 The least nonsquarefree number on row n of Pascal's triangle, or 1 if all the terms on that row are squarefree.

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	20
7	1
8	8
9	9
10	45
11	1
12	12
13	1287
14	364
15	6435
16	16
17	136
18	18
19	171
20	20
21	5985
22	1540
23	1
24	24
25	25
26	325
27	27
28	28
29	3654
30	4060
31	169911
32	32
33	528
34	5984
35	52360
36	36
37	666
38	8436
39	82251
40	40
41	820
42	11480
43	145008513
44	44
45	45
46	1035
47	12551759587422
48	48
49	49
50	50
51	1275
52	52
53	292825
54	54
55	1485
56	56
57	1596
58	30856
59	45057474
60	60
61	55525372
62	37820
63	63
64	64
65	2080

[1, 1, 1, 1, 4, 1, 20, 1, 8, 9, 45, 1, 12, 1287, 364, 6435, 16, 136, 18, 171, 20, 5985, 1540, 1, 24, 25, 325, 27, 28, 3654, 4060, 169911, 32, 528, 5984, 52360, 36, 666, 8436, 82251, 40, 820, 11480, 145008513, 44, 45, 1035, 12551759587422, 48, 49, 50, 1275, 52, 292825, 54, 1485, 56, 1596, 30856, 45057474, 60, 55525372, 37820, 63, 64, 2080]

cp's OEIS Frontend

A249716 The least nonsquarefree number on row n of Pascal's triangle, or 1 if all the terms on that row are squarefree.

Table of values

List of values