A210872 - cp's OEIS frontend

A210872 Triangle of coefficients of polynomials u(n,x) jointly generated with A210873; see the Formula section.

n	a(n)
1	1
2	0
3	1
4	0
5	2
6	1
7	0
8	1
9	5
10	1
11	0
12	1
13	4
14	9
15	1
16	0
17	1
18	3
19	12
20	14
21	1
22	0
23	1
24	3
25	9
26	29
27	20
28	1
29	0
30	1
31	3
32	8
33	27
34	60
35	27
36	1
37	0
38	1
39	3
40	8
41	22
42	74
43	111
44	35
45	1
46	0
47	1
48	3
49	8
50	21
51	63
52	181
53	189
54	44
55	1
56	0
57	1
58	3
59	8
60	21
61	56
62	178
63	399
64	302
65	54
66	1
67	0
68	1
69	3
70	8
71	21
72	55
73	154
74	474
75	806
76	459
77	65
78	1
79	0
80	1

[1, 0, 1, 0, 2, 1, 0, 1, 5, 1, 0, 1, 4, 9, 1, 0, 1, 3, 12, 14, 1, 0, 1, 3, 9, 29, 20, 1, 0, 1, 3, 8, 27, 60, 27, 1, 0, 1, 3, 8, 22, 74, 111, 35, 1, 0, 1, 3, 8, 21, 63, 181, 189, 44, 1, 0, 1, 3, 8, 21, 56, 178, 399, 302, 54, 1, 0, 1, 3, 8, 21, 55, 154, 474, 806, 459, 65, 1, 0, 1]

cp's OEIS Frontend

A210872 Triangle of coefficients of polynomials u(n,x) jointly generated with A210873; see the Formula section.

Table of values

List of values

n	a(n)
1	1
2	0
3	1
4	0
5	2
6	1
7	0
8	1
9	5
10	1
11	0
12	1
13	4
14	9
15	1
16	0
17	1
18	3
19	12
20	14
21	1
22	0
23	1
24	3
25	9
26	29
27	20
28	1
29	0
30	1
31	3
32	8
33	27
34	60
35	27
36	1
37	0
38	1
39	3
40	8
41	22
42	74
43	111
44	35
45	1
46	0
47	1
48	3
49	8
50	21
51	63
52	181
53	189
54	44
55	1
56	0
57	1
58	3
59	8
60	21
61	56
62	178
63	399
64	302
65	54
66	1
67	0
68	1
69	3
70	8
71	21
72	55
73	154
74	474
75	806
76	459
77	65
78	1
79	0
80	1

n	a(n)
1	1
2	0
3	1
4	0
5	2
6	1
7	0
8	1
9	5
10	1
11	0
12	1
13	4
14	9
15	1
16	0
17	1
18	3
19	12
20	14
21	1
22	0
23	1
24	3
25	9
26	29
27	20
28	1
29	0
30	1
31	3
32	8
33	27
34	60
35	27
36	1
37	0
38	1
39	3
40	8
41	22
42	74
43	111
44	35
45	1
46	0
47	1
48	3
49	8
50	21
51	63
52	181
53	189
54	44
55	1
56	0
57	1
58	3
59	8
60	21
61	56
62	178
63	399
64	302
65	54
66	1
67	0
68	1
69	3
70	8
71	21
72	55
73	154
74	474
75	806
76	459
77	65
78	1
79	0
80	1

n	a(n)
1	1
2	0
3	1
4	0
5	2
6	1
7	0
8	1
9	5
10	1
11	0
12	1
13	4
14	9
15	1
16	0
17	1
18	3
19	12
20	14
21	1
22	0
23	1
24	3
25	9
26	29
27	20
28	1
29	0
30	1
31	3
32	8
33	27
34	60
35	27
36	1
37	0
38	1
39	3
40	8
41	22
42	74
43	111
44	35
45	1
46	0
47	1
48	3
49	8
50	21
51	63
52	181
53	189
54	44
55	1
56	0
57	1
58	3
59	8
60	21
61	56
62	178
63	399
64	302
65	54
66	1
67	0
68	1
69	3
70	8
71	21
72	55
73	154
74	474
75	806
76	459
77	65
78	1
79	0
80	1