A276622 - cp's OEIS frontend

A276622 Simple self-inverse permutation of natural numbers: after a(0)=0, list each block of A261234(n) numbers in reverse order, from A261232(n) to A261233(1+n).

n	a(n)
0	0
1	1
2	3
3	2
4	8
5	7
6	6
7	5
8	4
9	20
10	19
11	18
12	17
13	16
14	15
15	14
16	13
17	12
18	11
19	10
20	9
21	49
22	48
23	47
24	46
25	45
26	44
27	43
28	42
29	41
30	40
31	39
32	38
33	37
34	36
35	35
36	34
37	33
38	32
39	31
40	30
41	29
42	28
43	27
44	26
45	25
46	24
47	23
48	22
49	21
50	123
51	122
52	121
53	120
54	119
55	118
56	117
57	116
58	115
59	114
60	113
61	112
62	111
63	110
64	109
65	108
66	107
67	106
68	105
69	104
70	103
71	102
72	101
73	100
74	99
75	98
76	97
77	96

[0, 1, 3, 2, 8, 7, 6, 5, 4, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, 112, 111, 110, 109, 108, 107, 106, 105, 104, 103, 102, 101, 100, 99, 98, 97, 96]

cp's OEIS Frontend

A276622 Simple self-inverse permutation of natural numbers: after a(0)=0, list each block of A261234(n) numbers in reverse order, from A261232(n) to A261233(1+n).

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	2
4	8
5	7
6	6
7	5
8	4
9	20
10	19
11	18
12	17
13	16
14	15
15	14
16	13
17	12
18	11
19	10
20	9
21	49
22	48
23	47
24	46
25	45
26	44
27	43
28	42
29	41
30	40
31	39
32	38
33	37
34	36
35	35
36	34
37	33
38	32
39	31
40	30
41	29
42	28
43	27
44	26
45	25
46	24
47	23
48	22
49	21
50	123
51	122
52	121
53	120
54	119
55	118
56	117
57	116
58	115
59	114
60	113
61	112
62	111
63	110
64	109
65	108
66	107
67	106
68	105
69	104
70	103
71	102
72	101
73	100
74	99
75	98
76	97
77	96

n	a(n)
0	0
1	1
2	3
3	2
4	8
5	7
6	6
7	5
8	4
9	20
10	19
11	18
12	17
13	16
14	15
15	14
16	13
17	12
18	11
19	10
20	9
21	49
22	48
23	47
24	46
25	45
26	44
27	43
28	42
29	41
30	40
31	39
32	38
33	37
34	36
35	35
36	34
37	33
38	32
39	31
40	30
41	29
42	28
43	27
44	26
45	25
46	24
47	23
48	22
49	21
50	123
51	122
52	121
53	120
54	119
55	118
56	117
57	116
58	115
59	114
60	113
61	112
62	111
63	110
64	109
65	108
66	107
67	106
68	105
69	104
70	103
71	102
72	101
73	100
74	99
75	98
76	97
77	96

n	a(n)
0	0
1	1
2	3
3	2
4	8
5	7
6	6
7	5
8	4
9	20
10	19
11	18
12	17
13	16
14	15
15	14
16	13
17	12
18	11
19	10
20	9
21	49
22	48
23	47
24	46
25	45
26	44
27	43
28	42
29	41
30	40
31	39
32	38
33	37
34	36
35	35
36	34
37	33
38	32
39	31
40	30
41	29
42	28
43	27
44	26
45	25
46	24
47	23
48	22
49	21
50	123
51	122
52	121
53	120
54	119
55	118
56	117
57	116
58	115
59	114
60	113
61	112
62	111
63	110
64	109
65	108
66	107
67	106
68	105
69	104
70	103
71	102
72	101
73	100
74	99
75	98
76	97
77	96