A359580 - cp's OEIS frontend

A359580 Numbers that are either (an odd squarefree number squared) or twice such a number.

n	a(n)
1	1
2	2
3	9
4	18
5	25
6	49
7	50
8	98
9	121
10	169
11	225
12	242
13	289
14	338
15	361
16	441
17	450
18	529
19	578
20	722
21	841
22	882
23	961
24	1058
25	1089
26	1225
27	1369
28	1521
29	1681
30	1682
31	1849
32	1922
33	2178
34	2209
35	2450
36	2601
37	2738
38	2809
39	3025
40	3042
41	3249
42	3362
43	3481
44	3698
45	3721
46	4225
47	4418
48	4489
49	4761
50	5041
51	5202
52	5329
53	5618
54	5929
55	6050
56	6241

[1, 2, 9, 18, 25, 49, 50, 98, 121, 169, 225, 242, 289, 338, 361, 441, 450, 529, 578, 722, 841, 882, 961, 1058, 1089, 1225, 1369, 1521, 1681, 1682, 1849, 1922, 2178, 2209, 2450, 2601, 2738, 2809, 3025, 3042, 3249, 3362, 3481, 3698, 3721, 4225, 4418, 4489, 4761, 5041, 5202, 5329, 5618, 5929, 6050, 6241]

cp's OEIS Frontend

A359580 Numbers that are either (an odd squarefree number squared) or twice such a number.

Table of values

List of values