A131360 - cp's OEIS frontend

A131360 a(4n) = a(4n+1) = 0, a(4n+2) = 2n, a(4n+3) = 2n+1.

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

[0, 0, 0, 1, 0, 0, 2, 3, 0, 0, 4, 5, 0, 0, 6, 7, 0, 0, 8, 9, 0, 0, 10, 11, 0, 0, 12, 13, 0, 0, 14, 15, 0, 0, 16, 17, 0, 0, 18, 19, 0, 0, 20, 21, 0, 0, 22, 23, 0, 0, 24, 25, 0, 0, 26, 27, 0, 0, 28, 29, 0, 0, 30, 31, 0, 0, 32, 33, 0, 0, 34, 35, 0, 0, 36, 37, 0, 0, 38, 39, 0, 0, 40, 41, 0, 0, 42, 43]

cp's OEIS Frontend

A131360 a(4n) = a(4n+1) = 0, a(4n+2) = 2n, a(4n+3) = 2n+1.

Table of values

List of values

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

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

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