A276612 - cp's OEIS frontend

A276612 Simple self-inverse permutation of natural numbers: after a(0)=0, list each block of A261229(n) numbers in reverse order, from A261227(n) to A261228(1+n).

n	a(n)
0	0
1	1
2	4
3	3
4	2
5	10
6	9
7	8
8	7
9	6
10	5
11	19
12	18
13	17
14	16
15	15
16	14
17	13
18	12
19	11
20	33
21	32
22	31
23	30
24	29
25	28
26	27
27	26
28	25
29	24
30	23
31	22
32	21
33	20
34	52
35	51
36	50
37	49
38	48
39	47
40	46
41	45
42	44
43	43
44	42
45	41
46	40
47	39
48	38
49	37
50	36
51	35
52	34
53	77
54	76
55	75
56	74
57	73
58	72
59	71
60	70
61	69
62	68
63	67
64	66
65	65
66	64
67	63
68	62
69	61
70	60
71	59
72	58
73	57
74	56
75	55
76	54
77	53
78	108

[0, 1, 4, 3, 2, 10, 9, 8, 7, 6, 5, 19, 18, 17, 16, 15, 14, 13, 12, 11, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 77, 76, 75, 74, 73, 72, 71, 70, 69, 68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 108]

cp's OEIS Frontend

A276612 Simple self-inverse permutation of natural numbers: after a(0)=0, list each block of A261229(n) numbers in reverse order, from A261227(n) to A261228(1+n).

Table of values

List of values

n	a(n)
0	0
1	1
2	4
3	3
4	2
5	10
6	9
7	8
8	7
9	6
10	5
11	19
12	18
13	17
14	16
15	15
16	14
17	13
18	12
19	11
20	33
21	32
22	31
23	30
24	29
25	28
26	27
27	26
28	25
29	24
30	23
31	22
32	21
33	20
34	52
35	51
36	50
37	49
38	48
39	47
40	46
41	45
42	44
43	43
44	42
45	41
46	40
47	39
48	38
49	37
50	36
51	35
52	34
53	77
54	76
55	75
56	74
57	73
58	72
59	71
60	70
61	69
62	68
63	67
64	66
65	65
66	64
67	63
68	62
69	61
70	60
71	59
72	58
73	57
74	56
75	55
76	54
77	53
78	108

n	a(n)
0	0
1	1
2	4
3	3
4	2
5	10
6	9
7	8
8	7
9	6
10	5
11	19
12	18
13	17
14	16
15	15
16	14
17	13
18	12
19	11
20	33
21	32
22	31
23	30
24	29
25	28
26	27
27	26
28	25
29	24
30	23
31	22
32	21
33	20
34	52
35	51
36	50
37	49
38	48
39	47
40	46
41	45
42	44
43	43
44	42
45	41
46	40
47	39
48	38
49	37
50	36
51	35
52	34
53	77
54	76
55	75
56	74
57	73
58	72
59	71
60	70
61	69
62	68
63	67
64	66
65	65
66	64
67	63
68	62
69	61
70	60
71	59
72	58
73	57
74	56
75	55
76	54
77	53
78	108

n	a(n)
0	0
1	1
2	4
3	3
4	2
5	10
6	9
7	8
8	7
9	6
10	5
11	19
12	18
13	17
14	16
15	15
16	14
17	13
18	12
19	11
20	33
21	32
22	31
23	30
24	29
25	28
26	27
27	26
28	25
29	24
30	23
31	22
32	21
33	20
34	52
35	51
36	50
37	49
38	48
39	47
40	46
41	45
42	44
43	43
44	42
45	41
46	40
47	39
48	38
49	37
50	36
51	35
52	34
53	77
54	76
55	75
56	74
57	73
58	72
59	71
60	70
61	69
62	68
63	67
64	66
65	65
66	64
67	63
68	62
69	61
70	60
71	59
72	58
73	57
74	56
75	55
76	54
77	53
78	108