A227392 - cp's OEIS frontend

A227392 Number of 2-Bottom-Card shuffles required to return a deck of size n to its original order.

n	a(n)
1	1
2	2
3	2
4	3
5	5
6	6
7	10
8	6
9	9
10	10
11	24
12	9
13	13
14	14
15	44
16	12
17	17
18	18
19	70
20	15
21	21
22	22
23	102
24	18
25	25
26	26
27	140
28	21
29	29
30	30
31	184
32	24
33	33
34	34
35	234
36	27
37	37
38	38
39	290
40	30
41	41
42	42
43	352
44	33
45	45
46	46
47	420
48	36
49	49
50	50

[1, 2, 2, 3, 5, 6, 10, 6, 9, 10, 24, 9, 13, 14, 44, 12, 17, 18, 70, 15, 21, 22, 102, 18, 25, 26, 140, 21, 29, 30, 184, 24, 33, 34, 234, 27, 37, 38, 290, 30, 41, 42, 352, 33, 45, 46, 420, 36, 49, 50]

cp's OEIS Frontend

A227392 Number of 2-Bottom-Card shuffles required to return a deck of size n to its original order.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	5
6	6
7	10
8	6
9	9
10	10
11	24
12	9
13	13
14	14
15	44
16	12
17	17
18	18
19	70
20	15
21	21
22	22
23	102
24	18
25	25
26	26
27	140
28	21
29	29
30	30
31	184
32	24
33	33
34	34
35	234
36	27
37	37
38	38
39	290
40	30
41	41
42	42
43	352
44	33
45	45
46	46
47	420
48	36
49	49
50	50

n	a(n)
1	1
2	2
3	2
4	3
5	5
6	6
7	10
8	6
9	9
10	10
11	24
12	9
13	13
14	14
15	44
16	12
17	17
18	18
19	70
20	15
21	21
22	22
23	102
24	18
25	25
26	26
27	140
28	21
29	29
30	30
31	184
32	24
33	33
34	34
35	234
36	27
37	37
38	38
39	290
40	30
41	41
42	42
43	352
44	33
45	45
46	46
47	420
48	36
49	49
50	50

n	a(n)
1	1
2	2
3	2
4	3
5	5
6	6
7	10
8	6
9	9
10	10
11	24
12	9
13	13
14	14
15	44
16	12
17	17
18	18
19	70
20	15
21	21
22	22
23	102
24	18
25	25
26	26
27	140
28	21
29	29
30	30
31	184
32	24
33	33
34	34
35	234
36	27
37	37
38	38
39	290
40	30
41	41
42	42
43	352
44	33
45	45
46	46
47	420
48	36
49	49
50	50