A061304 - cp's OEIS frontend

A061304 Squarefree triangular numbers.

n	a(n)
1	1
2	3
3	6
4	10
5	15
6	21
7	55
8	66
9	78
10	91
11	105
12	190
13	210
14	231
15	253
16	406
17	435
18	465
19	561
20	595
21	703
22	741
23	861
24	903
25	946
26	1081
27	1326
28	1378
29	1653
30	1711
31	1770
32	1830
33	1891
34	2145
35	2211
36	2278
37	2346
38	2415
39	2485
40	2701
41	2926
42	3003
43	3081
44	3403
45	3486
46	3570
47	3655
48	3741
49	4186
50	4278

[1, 3, 6, 10, 15, 21, 55, 66, 78, 91, 105, 190, 210, 231, 253, 406, 435, 465, 561, 595, 703, 741, 861, 903, 946, 1081, 1326, 1378, 1653, 1711, 1770, 1830, 1891, 2145, 2211, 2278, 2346, 2415, 2485, 2701, 2926, 3003, 3081, 3403, 3486, 3570, 3655, 3741, 4186, 4278]

cp's OEIS Frontend

A061304 Squarefree triangular numbers.

Table of values

List of values