A195938 - cp's OEIS frontend

A195938 a(n) = n/2 if n mod 4 = 2, 0 otherwise.

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

[0, 1, 0, 0, 0, 3, 0, 0, 0, 5, 0, 0, 0, 7, 0, 0, 0, 9, 0, 0, 0, 11, 0, 0, 0, 13, 0, 0, 0, 15, 0, 0, 0, 17, 0, 0, 0, 19, 0, 0, 0, 21, 0, 0, 0, 23, 0, 0, 0, 25, 0, 0, 0, 27, 0, 0, 0, 29, 0, 0, 0, 31, 0, 0, 0, 33, 0, 0, 0, 35, 0, 0, 0, 37, 0, 0, 0, 39]

cp's OEIS Frontend

A195938 a(n) = n/2 if n mod 4 = 2, 0 otherwise.

Table of values

List of values

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

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

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