A382354 - cp's OEIS frontend

A382354 Triangle T(n,k) read by rows, where row n is a permutation of the numbers 1 through n, such that if a deck of n cards is prepared in this order, and under-down-under dealing is used, then the resulting cards will be dealt in increasing order.

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	2
7	2
8	1
9	3
10	4
11	4
12	1
13	5
14	3
15	2
16	4
17	1
18	3
19	5
20	2
21	6
22	3
23	1
24	7
25	5
26	2
27	4
28	6
29	5
30	1
31	7
32	4
33	2
34	8
35	6
36	3
37	7
38	1
39	4
40	6
41	2
42	8
43	5
44	3
45	9
46	4
47	1
48	10
49	8
50	2
51	5
52	7
53	3
54	9
55	6
56	10
57	1
58	7
59	5
60	2
61	11
62	9
63	3
64	6
65	8
66	4
67	9
68	1
69	5
70	11
71	2
72	8
73	6
74	3
75	12
76	10
77	4
78	7
79	5
80	1
81	8
82	10
83	2
84	6
85	12
86	3
87	9
88	7
89	4
90	13
91	11

[1, 2, 1, 3, 1, 2, 2, 1, 3, 4, 4, 1, 5, 3, 2, 4, 1, 3, 5, 2, 6, 3, 1, 7, 5, 2, 4, 6, 5, 1, 7, 4, 2, 8, 6, 3, 7, 1, 4, 6, 2, 8, 5, 3, 9, 4, 1, 10, 8, 2, 5, 7, 3, 9, 6, 10, 1, 7, 5, 2, 11, 9, 3, 6, 8, 4, 9, 1, 5, 11, 2, 8, 6, 3, 12, 10, 4, 7, 5, 1, 8, 10, 2, 6, 12, 3, 9, 7, 4, 13, 11]

cp's OEIS Frontend

A382354 Triangle T(n,k) read by rows, where row n is a permutation of the numbers 1 through n, such that if a deck of n cards is prepared in this order, and under-down-under dealing is used, then the resulting cards will be dealt in increasing order.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	2
7	2
8	1
9	3
10	4
11	4
12	1
13	5
14	3
15	2
16	4
17	1
18	3
19	5
20	2
21	6
22	3
23	1
24	7
25	5
26	2
27	4
28	6
29	5
30	1
31	7
32	4
33	2
34	8
35	6
36	3
37	7
38	1
39	4
40	6
41	2
42	8
43	5
44	3
45	9
46	4
47	1
48	10
49	8
50	2
51	5
52	7
53	3
54	9
55	6
56	10
57	1
58	7
59	5
60	2
61	11
62	9
63	3
64	6
65	8
66	4
67	9
68	1
69	5
70	11
71	2
72	8
73	6
74	3
75	12
76	10
77	4
78	7
79	5
80	1
81	8
82	10
83	2
84	6
85	12
86	3
87	9
88	7
89	4
90	13
91	11

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	2
7	2
8	1
9	3
10	4
11	4
12	1
13	5
14	3
15	2
16	4
17	1
18	3
19	5
20	2
21	6
22	3
23	1
24	7
25	5
26	2
27	4
28	6
29	5
30	1
31	7
32	4
33	2
34	8
35	6
36	3
37	7
38	1
39	4
40	6
41	2
42	8
43	5
44	3
45	9
46	4
47	1
48	10
49	8
50	2
51	5
52	7
53	3
54	9
55	6
56	10
57	1
58	7
59	5
60	2
61	11
62	9
63	3
64	6
65	8
66	4
67	9
68	1
69	5
70	11
71	2
72	8
73	6
74	3
75	12
76	10
77	4
78	7
79	5
80	1
81	8
82	10
83	2
84	6
85	12
86	3
87	9
88	7
89	4
90	13
91	11

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	2
7	2
8	1
9	3
10	4
11	4
12	1
13	5
14	3
15	2
16	4
17	1
18	3
19	5
20	2
21	6
22	3
23	1
24	7
25	5
26	2
27	4
28	6
29	5
30	1
31	7
32	4
33	2
34	8
35	6
36	3
37	7
38	1
39	4
40	6
41	2
42	8
43	5
44	3
45	9
46	4
47	1
48	10
49	8
50	2
51	5
52	7
53	3
54	9
55	6
56	10
57	1
58	7
59	5
60	2
61	11
62	9
63	3
64	6
65	8
66	4
67	9
68	1
69	5
70	11
71	2
72	8
73	6
74	3
75	12
76	10
77	4
78	7
79	5
80	1
81	8
82	10
83	2
84	6
85	12
86	3
87	9
88	7
89	4
90	13
91	11