A334020 - cp's OEIS frontend

A334020 Numbers k such that s(k) = s(k+1), where s(k) is the sum of unitary divisors of k that are smaller than sqrt(k) (A334019).

n	a(n)
1	2
2	3
3	4
4	7
5	8
6	16
7	31
8	127
9	186
10	256
11	318
12	434
13	473
14	574
15	582
16	588
17	730
18	735
19	819
20	978
21	1245
22	1357
23	1374
24	1397
25	1420
26	1421
27	1500
28	1506
29	1661
30	1694
31	1902
32	1956
33	1988
34	2059
35	2085
36	2147
37	2166
38	2329
39	2453
40	2505
41	2506
42	2534
43	2754
44	2770
45	2868
46	2954
47	2988
48	3345
49	3377

[2, 3, 4, 7, 8, 16, 31, 127, 186, 256, 318, 434, 473, 574, 582, 588, 730, 735, 819, 978, 1245, 1357, 1374, 1397, 1420, 1421, 1500, 1506, 1661, 1694, 1902, 1956, 1988, 2059, 2085, 2147, 2166, 2329, 2453, 2505, 2506, 2534, 2754, 2770, 2868, 2954, 2988, 3345, 3377]

cp's OEIS Frontend

A334020 Numbers k such that s(k) = s(k+1), where s(k) is the sum of unitary divisors of k that are smaller than sqrt(k) (A334019).

Table of values

List of values