A386423 - cp's OEIS frontend

A386423 Odd numbers k such that k/(1+A347381(k)) obtains record values, where A347381 gives the distance from n to the nearest common ancestor of n and sigma(n) in the Doudna-tree.

n	a(n)
1	1
2	3
3	5
4	9
5	13
6	15
7	35
8	63
9	77
10	81
11	99
12	105
13	135
14	175
15	189
16	455
17	765
18	775
19	819
20	945
21	2125
22	6375
23	9261
24	21275
25	43011
26	43125
27	43475
28	44469
29	45441
30	45617
31	45619
32	46189
33	46305
34	155363
35	161257
36	203203
37	318835
38	401625
39	1016015
40	1128799
41	1773827
42	3048045
43	3255075
44	3386397
45	4044555

[1, 3, 5, 9, 13, 15, 35, 63, 77, 81, 99, 105, 135, 175, 189, 455, 765, 775, 819, 945, 2125, 6375, 9261, 21275, 43011, 43125, 43475, 44469, 45441, 45617, 45619, 46189, 46305, 155363, 161257, 203203, 318835, 401625, 1016015, 1128799, 1773827, 3048045, 3255075, 3386397, 4044555]

cp's OEIS Frontend

A386423 Odd numbers k such that k/(1+A347381(k)) obtains record values, where A347381 gives the distance from n to the nearest common ancestor of n and sigma(n) in the Doudna-tree.

Table of values

List of values