A069268 - cp's OEIS frontend

A069268 Greatest common divisor of n! and n*(n+1)/2.

n	a(n)
1	1
2	1
3	6
4	2
5	15
6	3
7	28
8	36
9	45
10	5
11	66
12	6
13	91
14	105
15	120
16	8
17	153
18	9
19	190
20	210
21	231
22	11
23	276
24	300
25	325
26	351
27	378
28	14
29	435
30	15
31	496
32	528
33	561
34	595
35	630
36	18
37	703
38	741
39	780
40	20
41	861
42	21
43	946
44	990
45	1035
46	23
47	1128
48	1176
49	1225
50	1275
51	1326

[1, 1, 6, 2, 15, 3, 28, 36, 45, 5, 66, 6, 91, 105, 120, 8, 153, 9, 190, 210, 231, 11, 276, 300, 325, 351, 378, 14, 435, 15, 496, 528, 561, 595, 630, 18, 703, 741, 780, 20, 861, 21, 946, 990, 1035, 23, 1128, 1176, 1225, 1275, 1326]

cp's OEIS Frontend

A069268 Greatest common divisor of n! and n*(n+1)/2.

Table of values

List of values