A374237 - cp's OEIS frontend

A374237 Irregular triangle read by rows where row n lists, in increasing order, the divisors of 2^n + 1.

n	a(n)
0	1
1	2
2	1
3	3
4	1
5	5
6	1
7	3
8	9
9	1
10	17
11	1
12	3
13	11
14	33
15	1
16	5
17	13
18	65
19	1
20	3
21	43
22	129
23	1
24	257
25	1
26	3
27	9
28	19
29	27
30	57
31	171
32	513
33	1
34	5
35	25
36	41
37	205
38	1025
39	1
40	3
41	683
42	2049
43	1
44	17
45	241
46	4097
47	1
48	3
49	2731
50	8193
51	1
52	5
53	29
54	113
55	145
56	565
57	3277
58	16385
59	1
60	3
61	9
62	11
63	33
64	99
65	331
66	993
67	2979
68	3641
69	10923
70	32769

[1, 2, 1, 3, 1, 5, 1, 3, 9, 1, 17, 1, 3, 11, 33, 1, 5, 13, 65, 1, 3, 43, 129, 1, 257, 1, 3, 9, 19, 27, 57, 171, 513, 1, 5, 25, 41, 205, 1025, 1, 3, 683, 2049, 1, 17, 241, 4097, 1, 3, 2731, 8193, 1, 5, 29, 113, 145, 565, 3277, 16385, 1, 3, 9, 11, 33, 99, 331, 993, 2979, 3641, 10923, 32769]

cp's OEIS Frontend

A374237 Irregular triangle read by rows where row n lists, in increasing order, the divisors of 2^n + 1.

Table of values

List of values