A060657 - cp's OEIS frontend

A060657 Odd values of the sum-of-divisors function sigma (A000203) (without repetitions).

n	a(n)
1	1
2	3
3	7
4	13
5	15
6	31
7	39
8	57
9	63
10	91
11	93
12	121
13	127
14	133
15	171
16	183
17	195
18	217
19	255
20	307
21	363
22	381
23	399
24	403
25	465
26	511
27	549
28	553
29	741
30	781
31	819
32	847
33	855
34	871
35	921
36	931
37	961
38	993
39	1023
40	1093
41	1143
42	1209
43	1281
44	1407
45	1651
46	1659
47	1723
48	1729
49	1767
50	1815
51	1893
52	1953

[1, 3, 7, 13, 15, 31, 39, 57, 63, 91, 93, 121, 127, 133, 171, 183, 195, 217, 255, 307, 363, 381, 399, 403, 465, 511, 549, 553, 741, 781, 819, 847, 855, 871, 921, 931, 961, 993, 1023, 1093, 1143, 1209, 1281, 1407, 1651, 1659, 1723, 1729, 1767, 1815, 1893, 1953]

cp's OEIS Frontend

A060657 Odd values of the sum-of-divisors function sigma (A000203) (without repetitions).

Table of values

List of values