A228147 - cp's OEIS frontend

A228147 Triangle T(n,k), read by rows: T(n,k) is the denominator of (1+2^(n-k+1))/(1-2^(k+1)).

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	7
6	1
7	1
8	7
9	5
10	1
11	3
12	7
13	3
14	31
15	1
16	1
17	7
18	5
19	31
20	21
21	1
22	3
23	7
24	15
25	31
26	63
27	127
28	1
29	1
30	7
31	5
32	31
33	7
34	127
35	85
36	1
37	3
38	7
39	3
40	31
41	63
42	127
43	51
44	511
45	1
46	1
47	7
48	5
49	31
50	21
51	127
52	85
53	511
54	341
55	1
56	3
57	7
58	15
59	31
60	63
61	127
62	15
63	511
64	1023
65	2047
66	1
67	1
68	7
69	5
70	31

[1, 1, 1, 1, 3, 7, 1, 1, 7, 5, 1, 3, 7, 3, 31, 1, 1, 7, 5, 31, 21, 1, 3, 7, 15, 31, 63, 127, 1, 1, 7, 5, 31, 7, 127, 85, 1, 3, 7, 3, 31, 63, 127, 51, 511, 1, 1, 7, 5, 31, 21, 127, 85, 511, 341, 1, 3, 7, 15, 31, 63, 127, 15, 511, 1023, 2047, 1, 1, 7, 5, 31]

cp's OEIS Frontend

A228147 Triangle T(n,k), read by rows: T(n,k) is the denominator of (1+2^(n-k+1))/(1-2^(k+1)).

Table of values

List of values