A175929 - cp's OEIS frontend

A175929 Triangle T(n,v) read by rows: the number of permutations of [n] with "entropy" equal to 2*v.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	0
7	2
8	1
9	1
10	3
11	1
12	4
13	2
14	2
15	2
16	4
17	1
18	3
19	1
20	1
21	4
22	3
23	6
24	7
25	6
26	4
27	10
28	6
29	10
30	6
31	10
32	6
33	10
34	4
35	6
36	7
37	6
38	3
39	4
40	1
41	1
42	5
43	6
44	9
45	16
46	12
47	14
48	24
49	20
50	21
51	23
52	28
53	24
54	34
55	20
56	32
57	42
58	29
59	29
60	42
61	32
62	20
63	34
64	24
65	28
66	23
67	21
68	20
69	24
70	14
71	12
72	16
73	9
74	6
75	5
76	1
77	1
78	6
79	10
80	14
81	29
82	26
83	35
84	46
85	55

[1, 1, 1, 1, 1, 2, 0, 2, 1, 1, 3, 1, 4, 2, 2, 2, 4, 1, 3, 1, 1, 4, 3, 6, 7, 6, 4, 10, 6, 10, 6, 10, 6, 10, 4, 6, 7, 6, 3, 4, 1, 1, 5, 6, 9, 16, 12, 14, 24, 20, 21, 23, 28, 24, 34, 20, 32, 42, 29, 29, 42, 32, 20, 34, 24, 28, 23, 21, 20, 24, 14, 12, 16, 9, 6, 5, 1, 1, 6, 10, 14, 29, 26, 35, 46, 55]

cp's OEIS Frontend

A175929 Triangle T(n,v) read by rows: the number of permutations of [n] with "entropy" equal to 2*v.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	0
7	2
8	1
9	1
10	3
11	1
12	4
13	2
14	2
15	2
16	4
17	1
18	3
19	1
20	1
21	4
22	3
23	6
24	7
25	6
26	4
27	10
28	6
29	10
30	6
31	10
32	6
33	10
34	4
35	6
36	7
37	6
38	3
39	4
40	1
41	1
42	5
43	6
44	9
45	16
46	12
47	14
48	24
49	20
50	21
51	23
52	28
53	24
54	34
55	20
56	32
57	42
58	29
59	29
60	42
61	32
62	20
63	34
64	24
65	28
66	23
67	21
68	20
69	24
70	14
71	12
72	16
73	9
74	6
75	5
76	1
77	1
78	6
79	10
80	14
81	29
82	26
83	35
84	46
85	55

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	0
7	2
8	1
9	1
10	3
11	1
12	4
13	2
14	2
15	2
16	4
17	1
18	3
19	1
20	1
21	4
22	3
23	6
24	7
25	6
26	4
27	10
28	6
29	10
30	6
31	10
32	6
33	10
34	4
35	6
36	7
37	6
38	3
39	4
40	1
41	1
42	5
43	6
44	9
45	16
46	12
47	14
48	24
49	20
50	21
51	23
52	28
53	24
54	34
55	20
56	32
57	42
58	29
59	29
60	42
61	32
62	20
63	34
64	24
65	28
66	23
67	21
68	20
69	24
70	14
71	12
72	16
73	9
74	6
75	5
76	1
77	1
78	6
79	10
80	14
81	29
82	26
83	35
84	46
85	55

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	0
7	2
8	1
9	1
10	3
11	1
12	4
13	2
14	2
15	2
16	4
17	1
18	3
19	1
20	1
21	4
22	3
23	6
24	7
25	6
26	4
27	10
28	6
29	10
30	6
31	10
32	6
33	10
34	4
35	6
36	7
37	6
38	3
39	4
40	1
41	1
42	5
43	6
44	9
45	16
46	12
47	14
48	24
49	20
50	21
51	23
52	28
53	24
54	34
55	20
56	32
57	42
58	29
59	29
60	42
61	32
62	20
63	34
64	24
65	28
66	23
67	21
68	20
69	24
70	14
71	12
72	16
73	9
74	6
75	5
76	1
77	1
78	6
79	10
80	14
81	29
82	26
83	35
84	46
85	55