A264989 - cp's OEIS frontend

A264989 Self-inverse permutation of nonnegative integers: a(n) = (A264987(n)-1) / 2.

n	a(n)
0	0
1	1
2	2
3	5
4	4
5	3
6	6
7	7
8	11
9	14
10	16
11	8
12	17
13	13
14	9
15	18
16	10
17	12
18	15
19	19
20	20
21	47
22	22
23	29
24	56
25	34
26	38
27	41
28	43
29	23
30	50
31	49
32	32
33	59
34	25
35	35
36	44
37	52
38	26
39	53
40	40
41	27
42	54
43	28
44	36
45	45
46	55
47	21
48	48
49	31
50	30
51	57
52	37
53	39
54	42
55	46
56	24
57	51
58	58
59	33
60	60
61	61
62	101
63	128
64	142
65	74
66	155
67	67
68	83
69	164
70	88
71	110
72	137
73	169
74	65
75	146
76	103
77	92
78	173
79	115
80	119
81	122

[0, 1, 2, 5, 4, 3, 6, 7, 11, 14, 16, 8, 17, 13, 9, 18, 10, 12, 15, 19, 20, 47, 22, 29, 56, 34, 38, 41, 43, 23, 50, 49, 32, 59, 25, 35, 44, 52, 26, 53, 40, 27, 54, 28, 36, 45, 55, 21, 48, 31, 30, 57, 37, 39, 42, 46, 24, 51, 58, 33, 60, 61, 101, 128, 142, 74, 155, 67, 83, 164, 88, 110, 137, 169, 65, 146, 103, 92, 173, 115, 119, 122]

cp's OEIS Frontend

A264989 Self-inverse permutation of nonnegative integers: a(n) = (A264987(n)-1) / 2.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	5
4	4
5	3
6	6
7	7
8	11
9	14
10	16
11	8
12	17
13	13
14	9
15	18
16	10
17	12
18	15
19	19
20	20
21	47
22	22
23	29
24	56
25	34
26	38
27	41
28	43
29	23
30	50
31	49
32	32
33	59
34	25
35	35
36	44
37	52
38	26
39	53
40	40
41	27
42	54
43	28
44	36
45	45
46	55
47	21
48	48
49	31
50	30
51	57
52	37
53	39
54	42
55	46
56	24
57	51
58	58
59	33
60	60
61	61
62	101
63	128
64	142
65	74
66	155
67	67
68	83
69	164
70	88
71	110
72	137
73	169
74	65
75	146
76	103
77	92
78	173
79	115
80	119
81	122

n	a(n)
0	0
1	1
2	2
3	5
4	4
5	3
6	6
7	7
8	11
9	14
10	16
11	8
12	17
13	13
14	9
15	18
16	10
17	12
18	15
19	19
20	20
21	47
22	22
23	29
24	56
25	34
26	38
27	41
28	43
29	23
30	50
31	49
32	32
33	59
34	25
35	35
36	44
37	52
38	26
39	53
40	40
41	27
42	54
43	28
44	36
45	45
46	55
47	21
48	48
49	31
50	30
51	57
52	37
53	39
54	42
55	46
56	24
57	51
58	58
59	33
60	60
61	61
62	101
63	128
64	142
65	74
66	155
67	67
68	83
69	164
70	88
71	110
72	137
73	169
74	65
75	146
76	103
77	92
78	173
79	115
80	119
81	122

n	a(n)
0	0
1	1
2	2
3	5
4	4
5	3
6	6
7	7
8	11
9	14
10	16
11	8
12	17
13	13
14	9
15	18
16	10
17	12
18	15
19	19
20	20
21	47
22	22
23	29
24	56
25	34
26	38
27	41
28	43
29	23
30	50
31	49
32	32
33	59
34	25
35	35
36	44
37	52
38	26
39	53
40	40
41	27
42	54
43	28
44	36
45	45
46	55
47	21
48	48
49	31
50	30
51	57
52	37
53	39
54	42
55	46
56	24
57	51
58	58
59	33
60	60
61	61
62	101
63	128
64	142
65	74
66	155
67	67
68	83
69	164
70	88
71	110
72	137
73	169
74	65
75	146
76	103
77	92
78	173
79	115
80	119
81	122