A283998 - cp's OEIS frontend

A283998 a(n) = n AND A005187(floor(n/2)), where AND is bitwise-and (A004198).

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	1
6	4
7	4
8	0
9	1
10	8
11	8
12	8
13	8
14	10
15	11
16	0
17	1
18	16
19	16
20	16
21	16
22	18
23	19
24	16
25	16
26	18
27	19
28	24
29	25
30	26
31	26
32	0
33	1
34	32
35	32
36	32
37	32
38	34
39	35
40	32
41	32
42	34
43	35
44	40
45	41
46	42
47	42
48	32
49	32
50	34
51	35
52	48
53	49
54	50
55	50
56	48
57	49
58	50
59	50
60	56
61	56
62	56
63	57
64	0
65	1
66	64
67	64
68	64
69	64
70	66
71	67
72	64
73	64
74	66
75	67
76	72
77	73
78	74
79	74
80	64
81	64
82	66
83	67
84	80
85	81
86	82
87	82
88	80
89	81
90	82
91	82
92	88
93	88
94	88
95	89

[0, 0, 0, 1, 0, 1, 4, 4, 0, 1, 8, 8, 8, 8, 10, 11, 0, 1, 16, 16, 16, 16, 18, 19, 16, 16, 18, 19, 24, 25, 26, 26, 0, 1, 32, 32, 32, 32, 34, 35, 32, 32, 34, 35, 40, 41, 42, 42, 32, 32, 34, 35, 48, 49, 50, 50, 48, 49, 50, 50, 56, 56, 56, 57, 0, 1, 64, 64, 64, 64, 66, 67, 64, 64, 66, 67, 72, 73, 74, 74, 64, 64, 66, 67, 80, 81, 82, 82, 80, 81, 82, 82, 88, 88, 88, 89]

cp's OEIS Frontend

A283998 a(n) = n AND A005187(floor(n/2)), where AND is bitwise-and (A004198).

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	1
6	4
7	4
8	0
9	1
10	8
11	8
12	8
13	8
14	10
15	11
16	0
17	1
18	16
19	16
20	16
21	16
22	18
23	19
24	16
25	16
26	18
27	19
28	24
29	25
30	26
31	26
32	0
33	1
34	32
35	32
36	32
37	32
38	34
39	35
40	32
41	32
42	34
43	35
44	40
45	41
46	42
47	42
48	32
49	32
50	34
51	35
52	48
53	49
54	50
55	50
56	48
57	49
58	50
59	50
60	56
61	56
62	56
63	57
64	0
65	1
66	64
67	64
68	64
69	64
70	66
71	67
72	64
73	64
74	66
75	67
76	72
77	73
78	74
79	74
80	64
81	64
82	66
83	67
84	80
85	81
86	82
87	82
88	80
89	81
90	82
91	82
92	88
93	88
94	88
95	89

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	1
6	4
7	4
8	0
9	1
10	8
11	8
12	8
13	8
14	10
15	11
16	0
17	1
18	16
19	16
20	16
21	16
22	18
23	19
24	16
25	16
26	18
27	19
28	24
29	25
30	26
31	26
32	0
33	1
34	32
35	32
36	32
37	32
38	34
39	35
40	32
41	32
42	34
43	35
44	40
45	41
46	42
47	42
48	32
49	32
50	34
51	35
52	48
53	49
54	50
55	50
56	48
57	49
58	50
59	50
60	56
61	56
62	56
63	57
64	0
65	1
66	64
67	64
68	64
69	64
70	66
71	67
72	64
73	64
74	66
75	67
76	72
77	73
78	74
79	74
80	64
81	64
82	66
83	67
84	80
85	81
86	82
87	82
88	80
89	81
90	82
91	82
92	88
93	88
94	88
95	89

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	1
6	4
7	4
8	0
9	1
10	8
11	8
12	8
13	8
14	10
15	11
16	0
17	1
18	16
19	16
20	16
21	16
22	18
23	19
24	16
25	16
26	18
27	19
28	24
29	25
30	26
31	26
32	0
33	1
34	32
35	32
36	32
37	32
38	34
39	35
40	32
41	32
42	34
43	35
44	40
45	41
46	42
47	42
48	32
49	32
50	34
51	35
52	48
53	49
54	50
55	50
56	48
57	49
58	50
59	50
60	56
61	56
62	56
63	57
64	0
65	1
66	64
67	64
68	64
69	64
70	66
71	67
72	64
73	64
74	66
75	67
76	72
77	73
78	74
79	74
80	64
81	64
82	66
83	67
84	80
85	81
86	82
87	82
88	80
89	81
90	82
91	82
92	88
93	88
94	88
95	89