A178904 - cp's OEIS frontend

A178904 This should be related to the Coxeter transformations of the posets of partitions in rectangular boxes of size m times n.

n	a(n)
0	1
1	-1
2	-1
3	0
4	-1
5	0
6	0
7	1
8	1
9	0
10	0
11	-1
12	1
13	-1
14	0
15	0
16	1
17	-1
18	-1
19	1
20	0
21	0
22	-1
23	2
24	-3
25	2
26	-1
27	0
28	0
29	1
30	-3
31	4
32	4
33	-3
34	1
35	0
36	0
37	-1
38	3
39	-6
40	8
41	-6
42	3
43	-1
44	0
45	0
46	1
47	-3
48	9
49	-13
50	-13
51	9
52	-3
53	1
54	0
55	0
56	-1
57	4
58	-11
59	19
60	-23
61	19
62	-11
63	4
64	-1
65	0
66	0
67	1
68	-5
69	13
70	-27
71	39
72	39
73	-27
74	13
75	-5
76	1
77	0
78	0
79	-1
80	5
81	-17
82	38
83	-61
84	71
85	-61
86	38
87	-17
88	5
89	-1
90	0

[1, -1, -1, 0, -1, 0, 0, 1, 1, 0, 0, -1, 1, -1, 0, 0, 1, -1, -1, 1, 0, 0, -1, 2, -3, 2, -1, 0, 0, 1, -3, 4, 4, -3, 1, 0, 0, -1, 3, -6, 8, -6, 3, -1, 0, 0, 1, -3, 9, -13, -13, 9, -3, 1, 0, 0, -1, 4, -11, 19, -23, 19, -11, 4, -1, 0, 0, 1, -5, 13, -27, 39, 39, -27, 13, -5, 1, 0, 0, -1, 5, -17, 38, -61, 71, -61, 38, -17, 5, -1, 0]

cp's OEIS Frontend

A178904 This should be related to the Coxeter transformations of the posets of partitions in rectangular boxes of size m times n.

Table of values

List of values

n	a(n)
0	1
1	-1
2	-1
3	0
4	-1
5	0
6	0
7	1
8	1
9	0
10	0
11	-1
12	1
13	-1
14	0
15	0
16	1
17	-1
18	-1
19	1
20	0
21	0
22	-1
23	2
24	-3
25	2
26	-1
27	0
28	0
29	1
30	-3
31	4
32	4
33	-3
34	1
35	0
36	0
37	-1
38	3
39	-6
40	8
41	-6
42	3
43	-1
44	0
45	0
46	1
47	-3
48	9
49	-13
50	-13
51	9
52	-3
53	1
54	0
55	0
56	-1
57	4
58	-11
59	19
60	-23
61	19
62	-11
63	4
64	-1
65	0
66	0
67	1
68	-5
69	13
70	-27
71	39
72	39
73	-27
74	13
75	-5
76	1
77	0
78	0
79	-1
80	5
81	-17
82	38
83	-61
84	71
85	-61
86	38
87	-17
88	5
89	-1
90	0

n	a(n)
0	1
1	-1
2	-1
3	0
4	-1
5	0
6	0
7	1
8	1
9	0
10	0
11	-1
12	1
13	-1
14	0
15	0
16	1
17	-1
18	-1
19	1
20	0
21	0
22	-1
23	2
24	-3
25	2
26	-1
27	0
28	0
29	1
30	-3
31	4
32	4
33	-3
34	1
35	0
36	0
37	-1
38	3
39	-6
40	8
41	-6
42	3
43	-1
44	0
45	0
46	1
47	-3
48	9
49	-13
50	-13
51	9
52	-3
53	1
54	0
55	0
56	-1
57	4
58	-11
59	19
60	-23
61	19
62	-11
63	4
64	-1
65	0
66	0
67	1
68	-5
69	13
70	-27
71	39
72	39
73	-27
74	13
75	-5
76	1
77	0
78	0
79	-1
80	5
81	-17
82	38
83	-61
84	71
85	-61
86	38
87	-17
88	5
89	-1
90	0

n	a(n)
0	1
1	-1
2	-1
3	0
4	-1
5	0
6	0
7	1
8	1
9	0
10	0
11	-1
12	1
13	-1
14	0
15	0
16	1
17	-1
18	-1
19	1
20	0
21	0
22	-1
23	2
24	-3
25	2
26	-1
27	0
28	0
29	1
30	-3
31	4
32	4
33	-3
34	1
35	0
36	0
37	-1
38	3
39	-6
40	8
41	-6
42	3
43	-1
44	0
45	0
46	1
47	-3
48	9
49	-13
50	-13
51	9
52	-3
53	1
54	0
55	0
56	-1
57	4
58	-11
59	19
60	-23
61	19
62	-11
63	4
64	-1
65	0
66	0
67	1
68	-5
69	13
70	-27
71	39
72	39
73	-27
74	13
75	-5
76	1
77	0
78	0
79	-1
80	5
81	-17
82	38
83	-61
84	71
85	-61
86	38
87	-17
88	5
89	-1
90	0