A283986 - cp's OEIS frontend

A283986 a(n) = A002487(n-1) OR A002487(n), where OR is bitwise-or (A003986).

n	a(n)
1	1
2	1
3	3
4	3
5	3
6	3
7	3
8	3
9	5
10	7
11	7
12	7
13	7
14	7
15	7
16	5
17	5
18	5
19	7
20	7
21	11
22	13
23	7
24	7
25	7
26	7
27	13
28	11
29	7
30	7
31	5
32	5
33	7
34	7
35	13
36	13
37	15
38	15
39	15
40	11
41	11
42	11
43	13
44	13
45	13
46	15
47	15
48	11
49	11
50	15
51	15
52	13
53	13
54	13
55	11
56	11
57	11
58	15
59	15
60	15
61	13
62	13
63	7
64	7
65	7
66	7
67	15
68	15
69	15
70	15
71	13
72	13
73	15
74	15
75	27
76	23
77	23
78	27
79	15
80	15
81	15
82	15
83	27
84	27
85	29
86	29
87	31
88	23
89	21
90	29
91	31
92	23
93	23
94	25
95	11
96	11
97	11
98	11
99	25

[1, 1, 3, 3, 3, 3, 3, 3, 5, 7, 7, 7, 7, 7, 7, 5, 5, 5, 7, 7, 11, 13, 7, 7, 7, 7, 13, 11, 7, 7, 5, 5, 7, 7, 13, 13, 15, 15, 15, 11, 11, 11, 13, 13, 13, 15, 15, 11, 11, 15, 15, 13, 13, 13, 11, 11, 11, 15, 15, 15, 13, 13, 7, 7, 7, 7, 15, 15, 15, 15, 13, 13, 15, 15, 27, 23, 23, 27, 15, 15, 15, 15, 27, 27, 29, 29, 31, 23, 21, 29, 31, 23, 23, 25, 11, 11, 11, 11, 25]

cp's OEIS Frontend

A283986 a(n) = A002487(n-1) OR A002487(n), where OR is bitwise-or (A003986).

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	3
5	3
6	3
7	3
8	3
9	5
10	7
11	7
12	7
13	7
14	7
15	7
16	5
17	5
18	5
19	7
20	7
21	11
22	13
23	7
24	7
25	7
26	7
27	13
28	11
29	7
30	7
31	5
32	5
33	7
34	7
35	13
36	13
37	15
38	15
39	15
40	11
41	11
42	11
43	13
44	13
45	13
46	15
47	15
48	11
49	11
50	15
51	15
52	13
53	13
54	13
55	11
56	11
57	11
58	15
59	15
60	15
61	13
62	13
63	7
64	7
65	7
66	7
67	15
68	15
69	15
70	15
71	13
72	13
73	15
74	15
75	27
76	23
77	23
78	27
79	15
80	15
81	15
82	15
83	27
84	27
85	29
86	29
87	31
88	23
89	21
90	29
91	31
92	23
93	23
94	25
95	11
96	11
97	11
98	11
99	25

n	a(n)
1	1
2	1
3	3
4	3
5	3
6	3
7	3
8	3
9	5
10	7
11	7
12	7
13	7
14	7
15	7
16	5
17	5
18	5
19	7
20	7
21	11
22	13
23	7
24	7
25	7
26	7
27	13
28	11
29	7
30	7
31	5
32	5
33	7
34	7
35	13
36	13
37	15
38	15
39	15
40	11
41	11
42	11
43	13
44	13
45	13
46	15
47	15
48	11
49	11
50	15
51	15
52	13
53	13
54	13
55	11
56	11
57	11
58	15
59	15
60	15
61	13
62	13
63	7
64	7
65	7
66	7
67	15
68	15
69	15
70	15
71	13
72	13
73	15
74	15
75	27
76	23
77	23
78	27
79	15
80	15
81	15
82	15
83	27
84	27
85	29
86	29
87	31
88	23
89	21
90	29
91	31
92	23
93	23
94	25
95	11
96	11
97	11
98	11
99	25

n	a(n)
1	1
2	1
3	3
4	3
5	3
6	3
7	3
8	3
9	5
10	7
11	7
12	7
13	7
14	7
15	7
16	5
17	5
18	5
19	7
20	7
21	11
22	13
23	7
24	7
25	7
26	7
27	13
28	11
29	7
30	7
31	5
32	5
33	7
34	7
35	13
36	13
37	15
38	15
39	15
40	11
41	11
42	11
43	13
44	13
45	13
46	15
47	15
48	11
49	11
50	15
51	15
52	13
53	13
54	13
55	11
56	11
57	11
58	15
59	15
60	15
61	13
62	13
63	7
64	7
65	7
66	7
67	15
68	15
69	15
70	15
71	13
72	13
73	15
74	15
75	27
76	23
77	23
78	27
79	15
80	15
81	15
82	15
83	27
84	27
85	29
86	29
87	31
88	23
89	21
90	29
91	31
92	23
93	23
94	25
95	11
96	11
97	11
98	11
99	25