A283472 - cp's OEIS frontend

A283472 a(n) = A004001(A004001(n-1)) AND A004001(n-A004001(n-1)), a(1) = a(2) = 0.

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	2
8	2
9	2
10	3
11	0
12	0
13	4
14	4
15	4
16	4
17	4
18	5
19	4
20	5
21	5
22	6
23	0
24	0
25	0
26	0
27	0
28	8
29	8
30	8
31	8
32	8
33	8
34	9
35	8
36	9
37	8
38	8
39	8
40	8
41	10
42	10
43	10
44	11
45	11
46	12
47	12
48	12
49	13
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	16
60	16
61	16
62	16
63	16
64	16
65	16
66	17
67	16
68	17
69	16
70	17
71	17
72	16
73	18
74	18
75	16
76	16
77	16
78	17
79	18
80	18
81	16
82	16
83	16
84	17
85	17
86	17
87	18
88	20
89	20
90	20
91	21
92	22
93	22
94	24
95	24
96	24
97	24

[0, 0, 1, 1, 0, 2, 2, 2, 2, 3, 0, 0, 4, 4, 4, 4, 4, 5, 4, 5, 5, 6, 0, 0, 0, 0, 0, 8, 8, 8, 8, 8, 8, 9, 8, 9, 8, 8, 8, 8, 10, 10, 10, 11, 11, 12, 12, 12, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 16, 16, 16, 16, 16, 16, 17, 16, 17, 16, 17, 17, 16, 18, 18, 16, 16, 16, 17, 18, 18, 16, 16, 16, 17, 17, 17, 18, 20, 20, 20, 21, 22, 22, 24, 24, 24, 24]

cp's OEIS Frontend

A283472 a(n) = A004001(A004001(n-1)) AND A004001(n-A004001(n-1)), a(1) = a(2) = 0.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	2
8	2
9	2
10	3
11	0
12	0
13	4
14	4
15	4
16	4
17	4
18	5
19	4
20	5
21	5
22	6
23	0
24	0
25	0
26	0
27	0
28	8
29	8
30	8
31	8
32	8
33	8
34	9
35	8
36	9
37	8
38	8
39	8
40	8
41	10
42	10
43	10
44	11
45	11
46	12
47	12
48	12
49	13
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	16
60	16
61	16
62	16
63	16
64	16
65	16
66	17
67	16
68	17
69	16
70	17
71	17
72	16
73	18
74	18
75	16
76	16
77	16
78	17
79	18
80	18
81	16
82	16
83	16
84	17
85	17
86	17
87	18
88	20
89	20
90	20
91	21
92	22
93	22
94	24
95	24
96	24
97	24

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	2
8	2
9	2
10	3
11	0
12	0
13	4
14	4
15	4
16	4
17	4
18	5
19	4
20	5
21	5
22	6
23	0
24	0
25	0
26	0
27	0
28	8
29	8
30	8
31	8
32	8
33	8
34	9
35	8
36	9
37	8
38	8
39	8
40	8
41	10
42	10
43	10
44	11
45	11
46	12
47	12
48	12
49	13
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	16
60	16
61	16
62	16
63	16
64	16
65	16
66	17
67	16
68	17
69	16
70	17
71	17
72	16
73	18
74	18
75	16
76	16
77	16
78	17
79	18
80	18
81	16
82	16
83	16
84	17
85	17
86	17
87	18
88	20
89	20
90	20
91	21
92	22
93	22
94	24
95	24
96	24
97	24

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	2
8	2
9	2
10	3
11	0
12	0
13	4
14	4
15	4
16	4
17	4
18	5
19	4
20	5
21	5
22	6
23	0
24	0
25	0
26	0
27	0
28	8
29	8
30	8
31	8
32	8
33	8
34	9
35	8
36	9
37	8
38	8
39	8
40	8
41	10
42	10
43	10
44	11
45	11
46	12
47	12
48	12
49	13
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	16
60	16
61	16
62	16
63	16
64	16
65	16
66	17
67	16
68	17
69	16
70	17
71	17
72	16
73	18
74	18
75	16
76	16
77	16
78	17
79	18
80	18
81	16
82	16
83	16
84	17
85	17
86	17
87	18
88	20
89	20
90	20
91	21
92	22
93	22
94	24
95	24
96	24
97	24