A089029 - cp's OEIS frontend

A089029 a(n)=n if Hofstadter's Q-sequence increases A005185(n-1)->A005185(n), a(n)=1 otherwise.

n	a(n)
2	1
3	3
4	4
5	1
6	6
7	7
8	1
9	9
10	1
11	1
12	12
13	1
14	1
15	15
16	1
17	17
18	18
19	1
20	20
21	1
22	1
23	1
24	24
25	1
26	1
27	27
28	1
29	1
30	1
31	31
32	1
33	1
34	34
35	35
36	1
37	37
38	38
39	1
40	40
41	41
42	1
43	43
44	1
45	1
46	1
47	1
48	48
49	1
50	50
51	51
52	1
53	1
54	54
55	1
56	1
57	57
58	1
59	59
60	1
61	1
62	1
63	63
64	1
65	1
66	66
67	1
68	1
69	69
70	70
71	1
72	72
73	73
74	1
75	75
76	1
77	77
78	1
79	79
80	80
81	81
82	1
83	1
84	84
85	1
86	86
87	87
88	1
89	1

[1, 3, 4, 1, 6, 7, 1, 9, 1, 1, 12, 1, 1, 15, 1, 17, 18, 1, 20, 1, 1, 1, 24, 1, 1, 27, 1, 1, 1, 31, 1, 1, 34, 35, 1, 37, 38, 1, 40, 41, 1, 43, 1, 1, 1, 1, 48, 1, 50, 51, 1, 1, 54, 1, 1, 57, 1, 59, 1, 1, 1, 63, 1, 1, 66, 1, 1, 69, 70, 1, 72, 73, 1, 75, 1, 77, 1, 79, 80, 81, 1, 1, 84, 1, 86, 87, 1, 1]

cp's OEIS Frontend

A089029 a(n)=n if Hofstadter's Q-sequence increases A005185(n-1)->A005185(n), a(n)=1 otherwise.

Table of values

List of values

n	a(n)
2	1
3	3
4	4
5	1
6	6
7	7
8	1
9	9
10	1
11	1
12	12
13	1
14	1
15	15
16	1
17	17
18	18
19	1
20	20
21	1
22	1
23	1
24	24
25	1
26	1
27	27
28	1
29	1
30	1
31	31
32	1
33	1
34	34
35	35
36	1
37	37
38	38
39	1
40	40
41	41
42	1
43	43
44	1
45	1
46	1
47	1
48	48
49	1
50	50
51	51
52	1
53	1
54	54
55	1
56	1
57	57
58	1
59	59
60	1
61	1
62	1
63	63
64	1
65	1
66	66
67	1
68	1
69	69
70	70
71	1
72	72
73	73
74	1
75	75
76	1
77	77
78	1
79	79
80	80
81	81
82	1
83	1
84	84
85	1
86	86
87	87
88	1
89	1

n	a(n)
2	1
3	3
4	4
5	1
6	6
7	7
8	1
9	9
10	1
11	1
12	12
13	1
14	1
15	15
16	1
17	17
18	18
19	1
20	20
21	1
22	1
23	1
24	24
25	1
26	1
27	27
28	1
29	1
30	1
31	31
32	1
33	1
34	34
35	35
36	1
37	37
38	38
39	1
40	40
41	41
42	1
43	43
44	1
45	1
46	1
47	1
48	48
49	1
50	50
51	51
52	1
53	1
54	54
55	1
56	1
57	57
58	1
59	59
60	1
61	1
62	1
63	63
64	1
65	1
66	66
67	1
68	1
69	69
70	70
71	1
72	72
73	73
74	1
75	75
76	1
77	77
78	1
79	79
80	80
81	81
82	1
83	1
84	84
85	1
86	86
87	87
88	1
89	1

n	a(n)
2	1
3	3
4	4
5	1
6	6
7	7
8	1
9	9
10	1
11	1
12	12
13	1
14	1
15	15
16	1
17	17
18	18
19	1
20	20
21	1
22	1
23	1
24	24
25	1
26	1
27	27
28	1
29	1
30	1
31	31
32	1
33	1
34	34
35	35
36	1
37	37
38	38
39	1
40	40
41	41
42	1
43	43
44	1
45	1
46	1
47	1
48	48
49	1
50	50
51	51
52	1
53	1
54	54
55	1
56	1
57	57
58	1
59	59
60	1
61	1
62	1
63	63
64	1
65	1
66	66
67	1
68	1
69	69
70	70
71	1
72	72
73	73
74	1
75	75
76	1
77	77
78	1
79	79
80	80
81	81
82	1
83	1
84	84
85	1
86	86
87	87
88	1
89	1