A139131 - cp's OEIS frontend

A139131 Squarefree kernel of n*(n+1)/2.

n	a(n)
1	1
2	3
3	6
4	10
5	15
6	21
7	14
8	6
9	15
10	55
11	66
12	78
13	91
14	105
15	30
16	34
17	51
18	57
19	190
20	210
21	231
22	253
23	138
24	30
25	65
26	39
27	42
28	406
29	435
30	465
31	62
32	66
33	561
34	595
35	210
36	222
37	703
38	741
39	390
40	410
41	861
42	903
43	946
44	330
45	345
46	1081
47	282
48	42
49	35
50	255
51	1326
52	1378
53	159
54	165
55	770
56	798
57	1653
58	1711

[1, 3, 6, 10, 15, 21, 14, 6, 15, 55, 66, 78, 91, 105, 30, 34, 51, 57, 190, 210, 231, 253, 138, 30, 65, 39, 42, 406, 435, 465, 62, 66, 561, 595, 210, 222, 703, 741, 390, 410, 861, 903, 946, 330, 345, 1081, 282, 42, 35, 255, 1326, 1378, 159, 165, 770, 798, 1653, 1711]

cp's OEIS Frontend

A139131 Squarefree kernel of n*(n+1)/2.

Table of values

List of values