A088491 - cp's OEIS frontend

A088491 a(n) = floor(p(n)/p(n-1)), where p(n) = n!/(Product_{j=1..floor(n/2)} A004001(j)).

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

[2, 3, 4, 5, 3, 7, 4, 9, 3, 11, 3, 13, 3, 15, 4, 17, 3, 19, 3, 21, 3, 23, 3, 25, 3, 27, 3, 29, 3, 31, 4, 33, 3, 35, 3, 37, 3, 39, 3, 41, 3, 43, 3, 45, 3, 47, 3, 49, 3, 51, 3, 53, 3, 55, 3, 57, 3, 59, 3, 61, 3, 63, 4, 65, 3, 67, 3, 69, 3, 71, 3, 73, 3, 75, 3, 77, 3, 79, 3, 81, 3, 83, 3, 85, 3, 87]

cp's OEIS Frontend

A088491 a(n) = floor(p(n)/p(n-1)), where p(n) = n!/(Product_{j=1..floor(n/2)} A004001(j)).

Table of values

List of values

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

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

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