A274885 - cp's OEIS frontend

A274885 Coefficients of some q-polynomials, P_n(q) = q_factorial(n+1) / (q_factorial([n/2]) * q_factorial([(n+2)/2])) with [.] the floor function.

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

[1, 1, 1, 1, 1, 1, 1, 2, 3, 3, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 4, 6, 8, 9, 9, 8, 6, 4, 2, 1, 1, 1, 2, 3, 4, 4, 5, 4, 4, 3, 2, 1, 1, 1, 2, 4, 7, 11, 15, 20, 24, 27, 29, 29, 27, 24, 20, 15, 11, 7, 4, 2, 1, 1, 1, 2, 3, 5, 6, 8, 9, 11, 11, 12, 11, 11, 9, 8, 6, 5, 3, 2, 1, 1]

cp's OEIS Frontend

A274885 Coefficients of some q-polynomials, P_n(q) = q_factorial(n+1) / (q_factorial([n/2]) * q_factorial([(n+2)/2])) with [.] the floor function.

Table of values

List of values

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

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

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