A381050 - cp's OEIS frontend

A381050 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 down-under-down dealing is used, then the resulting cards will be dealt in increasing order.

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

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

cp's OEIS Frontend

A381050 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 down-under-down 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	1
3	2
4	1
5	3
6	2
7	1
8	4
9	2
10	3
11	1
12	4
13	2
14	3
15	5
16	1
17	5
18	2
19	3
20	6
21	4
22	1
23	7
24	2
25	3
26	6
27	4
28	5
29	1
30	6
31	2
32	3
33	7
34	4
35	5
36	8
37	1
38	7
39	2
40	3
41	9
42	4
43	5
44	8
45	6
46	1
47	10
48	2
49	3
50	8
51	4
52	5
53	9
54	6
55	7
56	1
57	8
58	2
59	3
60	9
61	4
62	5
63	11
64	6
65	7
66	10
67	1
68	9
69	2
70	3
71	12
72	4
73	5
74	10
75	6
76	7
77	11
78	8
79	1
80	12
81	2
82	3
83	10
84	4
85	5
86	11
87	6
88	7
89	13
90	8
91	9

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

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