A216972 - cp's OEIS frontend

A216972 a(4n+2) = 2, otherwise a(n) = n.

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

[0, 1, 2, 3, 4, 5, 2, 7, 8, 9, 2, 11, 12, 13, 2, 15, 16, 17, 2, 19, 20, 21, 2, 23, 24, 25, 2, 27, 28, 29, 2, 31, 32, 33, 2, 35, 36, 37, 2, 39, 40, 41, 2, 43, 44, 45, 2, 47, 48, 49, 2, 51, 52, 53, 2, 55, 56, 57, 2, 59, 60, 61, 2, 63, 64, 65, 2, 67, 68, 69, 2]

cp's OEIS Frontend

A216972 a(4n+2) = 2, otherwise a(n) = n.

Table of values

List of values

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

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

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