A066646 - cp's OEIS frontend

A066646 Arrange the permutations of {1..m} in lexicographic order. Sequence gives indices of permutations of orders 1 or 2.

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	8
7	15
8	17
9	22
10	24
11	25
12	26
13	27
14	30
15	55
16	56
17	61
18	68
19	81
20	83
21	87
22	95
23	106
24	108
25	112
26	120
27	121
28	122
29	123
30	126
31	127
32	128
33	135
34	137
35	142
36	144
37	265
38	266
39	267
40	270
41	289
42	290
43	315
44	317
45	340
46	342
47	391
48	392
49	397
50	404
51	415
52	416
53	445
54	451
55	470
56	476
57	513
58	515

[1, 2, 3, 6, 7, 8, 15, 17, 22, 24, 25, 26, 27, 30, 55, 56, 61, 68, 81, 83, 87, 95, 106, 108, 112, 120, 121, 122, 123, 126, 127, 128, 135, 137, 142, 144, 265, 266, 267, 270, 289, 290, 315, 317, 340, 342, 391, 392, 397, 404, 415, 416, 445, 451, 470, 476, 513, 515]

cp's OEIS Frontend

A066646 Arrange the permutations of {1..m} in lexicographic order. Sequence gives indices of permutations of orders 1 or 2.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	8
7	15
8	17
9	22
10	24
11	25
12	26
13	27
14	30
15	55
16	56
17	61
18	68
19	81
20	83
21	87
22	95
23	106
24	108
25	112
26	120
27	121
28	122
29	123
30	126
31	127
32	128
33	135
34	137
35	142
36	144
37	265
38	266
39	267
40	270
41	289
42	290
43	315
44	317
45	340
46	342
47	391
48	392
49	397
50	404
51	415
52	416
53	445
54	451
55	470
56	476
57	513
58	515

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	8
7	15
8	17
9	22
10	24
11	25
12	26
13	27
14	30
15	55
16	56
17	61
18	68
19	81
20	83
21	87
22	95
23	106
24	108
25	112
26	120
27	121
28	122
29	123
30	126
31	127
32	128
33	135
34	137
35	142
36	144
37	265
38	266
39	267
40	270
41	289
42	290
43	315
44	317
45	340
46	342
47	391
48	392
49	397
50	404
51	415
52	416
53	445
54	451
55	470
56	476
57	513
58	515

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	8
7	15
8	17
9	22
10	24
11	25
12	26
13	27
14	30
15	55
16	56
17	61
18	68
19	81
20	83
21	87
22	95
23	106
24	108
25	112
26	120
27	121
28	122
29	123
30	126
31	127
32	128
33	135
34	137
35	142
36	144
37	265
38	266
39	267
40	270
41	289
42	290
43	315
44	317
45	340
46	342
47	391
48	392
49	397
50	404
51	415
52	416
53	445
54	451
55	470
56	476
57	513
58	515