A160700 - cp's OEIS frontend

A160700 a(n) = if n<16 then n else a(floor(n/16)) XOR (n mod 16).

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

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14, 2, 3, 0, 1, 6, 7, 4, 5, 10, 11, 8, 9, 14, 15, 12, 13, 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12, 4, 5, 6, 7, 0, 1, 2, 3, 12, 13, 14, 15, 8, 9, 10, 11, 5, 4, 7, 6, 1, 0, 3, 2, 13]

cp's OEIS Frontend

A160700 a(n) = if n<16 then n else a(floor(n/16)) XOR (n mod 16).

Table of values

List of values

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

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

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