A140168 - cp's OEIS frontend

A140168 Triangle read by rows, iterates of X * [1,0,0,0,...]; where X = an infinite bidiagonal matrix with [2, -1, 2, -1, 2, ...] in the main diagonal, [1, 1, 1, ...] in the subdiagonal and rest zeros.

n	a(n)
0	1
1	2
2	1
3	4
4	1
5	1
6	8
7	3
8	3
9	1
10	16
11	5
12	9
13	2
14	1
15	32
16	11
17	23
18	7
19	4
20	1
21	64
22	21
23	57
24	16
25	15
26	3
27	1
28	128
29	43
30	135
31	41
32	46
33	12
34	5
35	1
36	256
37	85
38	313
39	94
40	133
41	34
42	22
43	4
44	1
45	512
46	171
47	711
48	219
49	360
50	99
51	78
52	18
53	6
54	1
55	1024
56	341
57	1593
58	492
59	939
60	261
61	255
62	60
63	30
64	5
65	1
66	2048
67	683
68	3527
69	1101

[1, 2, 1, 4, 1, 1, 8, 3, 3, 1, 16, 5, 9, 2, 1, 32, 11, 23, 7, 4, 1, 64, 21, 57, 16, 15, 3, 1, 128, 43, 135, 41, 46, 12, 5, 1, 256, 85, 313, 94, 133, 34, 22, 4, 1, 512, 171, 711, 219, 360, 99, 78, 18, 6, 1, 1024, 341, 1593, 492, 939, 261, 255, 60, 30, 5, 1, 2048, 683, 3527, 1101]

cp's OEIS Frontend

A140168 Triangle read by rows, iterates of X * [1,0,0,0,...]; where X = an infinite bidiagonal matrix with [2, -1, 2, -1, 2, ...] in the main diagonal, [1, 1, 1, ...] in the subdiagonal and rest zeros.

Table of values

List of values