A281442 - cp's OEIS frontend

A281442 Triangle read by rows: T(n,r), 0 <= r <= n, is the number of idempotents of rank r in the Kauffman monoid K_n.

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	2
8	0
9	1
10	0
11	0
12	4
13	0
14	1
15	0
16	8
17	0
18	6
19	0
20	1
21	0
22	0
23	22
24	0
25	8
26	0
27	1
28	0
29	42
30	0
31	40
32	0
33	10
34	0
35	1
36	0
37	0
38	140
39	0
40	62
41	0
42	12
43	0
44	1
45	0
46	262
47	0
48	288
49	0
50	88
51	0
52	14
53	0
54	1
55	0
56	0
57	992
58	0
59	492
60	0
61	118
62	0
63	16
64	0
65	1

[1, 0, 1, 0, 0, 1, 0, 2, 0, 1, 0, 0, 4, 0, 1, 0, 8, 0, 6, 0, 1, 0, 0, 22, 0, 8, 0, 1, 0, 42, 0, 40, 0, 10, 0, 1, 0, 0, 140, 0, 62, 0, 12, 0, 1, 0, 262, 0, 288, 0, 88, 0, 14, 0, 1, 0, 0, 992, 0, 492, 0, 118, 0, 16, 0, 1]

cp's OEIS Frontend

A281442 Triangle read by rows: T(n,r), 0 <= r <= n, is the number of idempotents of rank r in the Kauffman monoid K_n.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	2
8	0
9	1
10	0
11	0
12	4
13	0
14	1
15	0
16	8
17	0
18	6
19	0
20	1
21	0
22	0
23	22
24	0
25	8
26	0
27	1
28	0
29	42
30	0
31	40
32	0
33	10
34	0
35	1
36	0
37	0
38	140
39	0
40	62
41	0
42	12
43	0
44	1
45	0
46	262
47	0
48	288
49	0
50	88
51	0
52	14
53	0
54	1
55	0
56	0
57	992
58	0
59	492
60	0
61	118
62	0
63	16
64	0
65	1

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	2
8	0
9	1
10	0
11	0
12	4
13	0
14	1
15	0
16	8
17	0
18	6
19	0
20	1
21	0
22	0
23	22
24	0
25	8
26	0
27	1
28	0
29	42
30	0
31	40
32	0
33	10
34	0
35	1
36	0
37	0
38	140
39	0
40	62
41	0
42	12
43	0
44	1
45	0
46	262
47	0
48	288
49	0
50	88
51	0
52	14
53	0
54	1
55	0
56	0
57	992
58	0
59	492
60	0
61	118
62	0
63	16
64	0
65	1

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	2
8	0
9	1
10	0
11	0
12	4
13	0
14	1
15	0
16	8
17	0
18	6
19	0
20	1
21	0
22	0
23	22
24	0
25	8
26	0
27	1
28	0
29	42
30	0
31	40
32	0
33	10
34	0
35	1
36	0
37	0
38	140
39	0
40	62
41	0
42	12
43	0
44	1
45	0
46	262
47	0
48	288
49	0
50	88
51	0
52	14
53	0
54	1
55	0
56	0
57	992
58	0
59	492
60	0
61	118
62	0
63	16
64	0
65	1