A073504 - cp's OEIS frontend

A073504 A possible basis for finite fractal sequences: let u(1) = 1, u(2) = n, u(k) = floor(u(k-1)/2) + floor(u(k-2)/2); then a(n) = lim_{k->infinity} u(k).

n	a(n)
1	0
2	0
3	0
4	2
5	2
6	2
7	2
8	4
9	4
10	4
11	4
12	6
13	6
14	8
15	8
16	10
17	10
18	10
19	10
20	12
21	12
22	12
23	12
24	14
25	14
26	14
27	14
28	16
29	16
30	18
31	18
32	20
33	20
34	20
35	20
36	22
37	22
38	22
39	22
40	24
41	24
42	24
43	24
44	26
45	26
46	28
47	28
48	30
49	30
50	30
51	30
52	32
53	32
54	34
55	34
56	36
57	36
58	36
59	36
60	38
61	38
62	40
63	40
64	42
65	42
66	42
67	42
68	44
69	44
70	44
71	44
72	46
73	46
74	46

[0, 0, 0, 2, 2, 2, 2, 4, 4, 4, 4, 6, 6, 8, 8, 10, 10, 10, 10, 12, 12, 12, 12, 14, 14, 14, 14, 16, 16, 18, 18, 20, 20, 20, 20, 22, 22, 22, 22, 24, 24, 24, 24, 26, 26, 28, 28, 30, 30, 30, 30, 32, 32, 34, 34, 36, 36, 36, 36, 38, 38, 40, 40, 42, 42, 42, 42, 44, 44, 44, 44, 46, 46, 46]

cp's OEIS Frontend

A073504 A possible basis for finite fractal sequences: let u(1) = 1, u(2) = n, u(k) = floor(u(k-1)/2) + floor(u(k-2)/2); then a(n) = lim_{k->infinity} u(k).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	2
5	2
6	2
7	2
8	4
9	4
10	4
11	4
12	6
13	6
14	8
15	8
16	10
17	10
18	10
19	10
20	12
21	12
22	12
23	12
24	14
25	14
26	14
27	14
28	16
29	16
30	18
31	18
32	20
33	20
34	20
35	20
36	22
37	22
38	22
39	22
40	24
41	24
42	24
43	24
44	26
45	26
46	28
47	28
48	30
49	30
50	30
51	30
52	32
53	32
54	34
55	34
56	36
57	36
58	36
59	36
60	38
61	38
62	40
63	40
64	42
65	42
66	42
67	42
68	44
69	44
70	44
71	44
72	46
73	46
74	46

n	a(n)
1	0
2	0
3	0
4	2
5	2
6	2
7	2
8	4
9	4
10	4
11	4
12	6
13	6
14	8
15	8
16	10
17	10
18	10
19	10
20	12
21	12
22	12
23	12
24	14
25	14
26	14
27	14
28	16
29	16
30	18
31	18
32	20
33	20
34	20
35	20
36	22
37	22
38	22
39	22
40	24
41	24
42	24
43	24
44	26
45	26
46	28
47	28
48	30
49	30
50	30
51	30
52	32
53	32
54	34
55	34
56	36
57	36
58	36
59	36
60	38
61	38
62	40
63	40
64	42
65	42
66	42
67	42
68	44
69	44
70	44
71	44
72	46
73	46
74	46

n	a(n)
1	0
2	0
3	0
4	2
5	2
6	2
7	2
8	4
9	4
10	4
11	4
12	6
13	6
14	8
15	8
16	10
17	10
18	10
19	10
20	12
21	12
22	12
23	12
24	14
25	14
26	14
27	14
28	16
29	16
30	18
31	18
32	20
33	20
34	20
35	20
36	22
37	22
38	22
39	22
40	24
41	24
42	24
43	24
44	26
45	26
46	28
47	28
48	30
49	30
50	30
51	30
52	32
53	32
54	34
55	34
56	36
57	36
58	36
59	36
60	38
61	38
62	40
63	40
64	42
65	42
66	42
67	42
68	44
69	44
70	44
71	44
72	46
73	46
74	46