A227984 - cp's OEIS frontend

A227984 Triangle T(n,k), read by rows: T(n,k) is the numerator of (1-2^(n-k+1))/(1-2^(k+1)).

n	a(n)
0	1
1	3
2	1
3	7
4	1
5	1
6	15
7	7
8	3
9	1
10	31
11	5
12	1
13	1
14	1
15	63
16	31
17	15
18	7
19	3
20	1
21	127
22	21
23	31
24	1
25	7
26	1
27	1
28	255
29	127
30	9
31	31
32	15
33	1
34	3
35	1
36	511
37	85
38	127
39	21
40	1
41	5
42	7
43	1
44	1
45	1023
46	511
47	255
48	127
49	63
50	31
51	15
52	7
53	3
54	1
55	2047
56	341
57	73
58	17
59	127
60	1
61	31
62	1
63	1
64	1
65	1
66	4095
67	2047
68	1023

[1, 3, 1, 7, 1, 1, 15, 7, 3, 1, 31, 5, 1, 1, 1, 63, 31, 15, 7, 3, 1, 127, 21, 31, 1, 7, 1, 1, 255, 127, 9, 31, 15, 1, 3, 1, 511, 85, 127, 21, 1, 5, 7, 1, 1, 1023, 511, 255, 127, 63, 31, 15, 7, 3, 1, 2047, 341, 73, 17, 127, 1, 31, 1, 1, 1, 1, 4095, 2047, 1023]

cp's OEIS Frontend

A227984 Triangle T(n,k), read by rows: T(n,k) is the numerator of (1-2^(n-k+1))/(1-2^(k+1)).

Table of values

List of values