A281130 - cp's OEIS frontend

A281130 a(n+1) = a(n-a(n)) if a(n-1) < a(n), otherwise a(n+1) = 2*a(n); a(1) = a(2) = 1.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	4
8	2
9	4
10	2
11	4
12	4
13	8
14	2
15	4
16	4
17	8
18	4
19	8
20	4
21	8
22	8
23	16
24	4
25	8
26	8
27	16
28	4
29	8
30	8
31	16
32	4
33	8
34	8
35	16
36	8
37	16
38	8
39	16
40	16
41	32
42	4
43	8
44	16
45	4
46	8
47	8
48	16
49	4
50	8
51	4
52	8
53	16
54	16
55	32
56	16
57	32
58	8
59	16
60	8
61	16
62	4
63	8
64	32
65	4
66	8
67	8
68	16
69	8
70	16
71	16
72	32
73	16
74	32
75	4
76	8
77	16
78	16
79	32
80	8

[1, 1, 2, 1, 2, 2, 4, 2, 4, 2, 4, 4, 8, 2, 4, 4, 8, 4, 8, 4, 8, 8, 16, 4, 8, 8, 16, 4, 8, 8, 16, 4, 8, 8, 16, 8, 16, 8, 16, 16, 32, 4, 8, 16, 4, 8, 8, 16, 4, 8, 4, 8, 16, 16, 32, 16, 32, 8, 16, 8, 16, 4, 8, 32, 4, 8, 8, 16, 8, 16, 16, 32, 16, 32, 4, 8, 16, 16, 32, 8]

cp's OEIS Frontend

A281130 a(n+1) = a(n-a(n)) if a(n-1) < a(n), otherwise a(n+1) = 2*a(n); a(1) = a(2) = 1.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	4
8	2
9	4
10	2
11	4
12	4
13	8
14	2
15	4
16	4
17	8
18	4
19	8
20	4
21	8
22	8
23	16
24	4
25	8
26	8
27	16
28	4
29	8
30	8
31	16
32	4
33	8
34	8
35	16
36	8
37	16
38	8
39	16
40	16
41	32
42	4
43	8
44	16
45	4
46	8
47	8
48	16
49	4
50	8
51	4
52	8
53	16
54	16
55	32
56	16
57	32
58	8
59	16
60	8
61	16
62	4
63	8
64	32
65	4
66	8
67	8
68	16
69	8
70	16
71	16
72	32
73	16
74	32
75	4
76	8
77	16
78	16
79	32
80	8

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	4
8	2
9	4
10	2
11	4
12	4
13	8
14	2
15	4
16	4
17	8
18	4
19	8
20	4
21	8
22	8
23	16
24	4
25	8
26	8
27	16
28	4
29	8
30	8
31	16
32	4
33	8
34	8
35	16
36	8
37	16
38	8
39	16
40	16
41	32
42	4
43	8
44	16
45	4
46	8
47	8
48	16
49	4
50	8
51	4
52	8
53	16
54	16
55	32
56	16
57	32
58	8
59	16
60	8
61	16
62	4
63	8
64	32
65	4
66	8
67	8
68	16
69	8
70	16
71	16
72	32
73	16
74	32
75	4
76	8
77	16
78	16
79	32
80	8

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	4
8	2
9	4
10	2
11	4
12	4
13	8
14	2
15	4
16	4
17	8
18	4
19	8
20	4
21	8
22	8
23	16
24	4
25	8
26	8
27	16
28	4
29	8
30	8
31	16
32	4
33	8
34	8
35	16
36	8
37	16
38	8
39	16
40	16
41	32
42	4
43	8
44	16
45	4
46	8
47	8
48	16
49	4
50	8
51	4
52	8
53	16
54	16
55	32
56	16
57	32
58	8
59	16
60	8
61	16
62	4
63	8
64	32
65	4
66	8
67	8
68	16
69	8
70	16
71	16
72	32
73	16
74	32
75	4
76	8
77	16
78	16
79	32
80	8