A064146 - cp's OEIS frontend

A064146 Sum of non-unitary prime divisors of binomial(n,floor(n/2)).

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	2
7	0
8	0
9	3
10	5
11	0
12	2
13	2
14	2
15	3
16	3
17	0
18	2
19	0
20	2
21	2
22	2
23	0
24	2
25	7
26	7
27	10
28	10
29	5
30	5
31	3
32	3
33	3
34	5
35	5
36	7
37	7
38	7
39	3
40	5
41	2
42	2
43	2
44	2
45	10
46	10
47	8
48	10
49	12
50	12
51	12
52	12
53	9
54	9
55	2
56	2
57	2
58	2
59	2
60	2
61	2
62	2
63	10
64	10
65	7
66	9
67	7
68	9
69	5
70	5
71	0
72	2
73	2
74	2
75	7
76	7
77	14
78	14
79	7
80	9
81	12
82	12
83	5
84	5
85	10
86	10
87	10
88	10
89	5
90	5
91	12
92	12
93	12

[0, 0, 0, 0, 0, 2, 0, 0, 3, 5, 0, 2, 2, 2, 3, 3, 0, 2, 0, 2, 2, 2, 0, 2, 7, 7, 10, 10, 5, 5, 3, 3, 3, 5, 5, 7, 7, 7, 3, 5, 2, 2, 2, 2, 10, 10, 8, 10, 12, 12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 10, 10, 7, 9, 7, 9, 5, 5, 0, 2, 2, 2, 7, 7, 14, 14, 7, 9, 12, 12, 5, 5, 10, 10, 10, 10, 5, 5, 12, 12, 12]

cp's OEIS Frontend

A064146 Sum of non-unitary prime divisors of binomial(n,floor(n/2)).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	2
7	0
8	0
9	3
10	5
11	0
12	2
13	2
14	2
15	3
16	3
17	0
18	2
19	0
20	2
21	2
22	2
23	0
24	2
25	7
26	7
27	10
28	10
29	5
30	5
31	3
32	3
33	3
34	5
35	5
36	7
37	7
38	7
39	3
40	5
41	2
42	2
43	2
44	2
45	10
46	10
47	8
48	10
49	12
50	12
51	12
52	12
53	9
54	9
55	2
56	2
57	2
58	2
59	2
60	2
61	2
62	2
63	10
64	10
65	7
66	9
67	7
68	9
69	5
70	5
71	0
72	2
73	2
74	2
75	7
76	7
77	14
78	14
79	7
80	9
81	12
82	12
83	5
84	5
85	10
86	10
87	10
88	10
89	5
90	5
91	12
92	12
93	12

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	2
7	0
8	0
9	3
10	5
11	0
12	2
13	2
14	2
15	3
16	3
17	0
18	2
19	0
20	2
21	2
22	2
23	0
24	2
25	7
26	7
27	10
28	10
29	5
30	5
31	3
32	3
33	3
34	5
35	5
36	7
37	7
38	7
39	3
40	5
41	2
42	2
43	2
44	2
45	10
46	10
47	8
48	10
49	12
50	12
51	12
52	12
53	9
54	9
55	2
56	2
57	2
58	2
59	2
60	2
61	2
62	2
63	10
64	10
65	7
66	9
67	7
68	9
69	5
70	5
71	0
72	2
73	2
74	2
75	7
76	7
77	14
78	14
79	7
80	9
81	12
82	12
83	5
84	5
85	10
86	10
87	10
88	10
89	5
90	5
91	12
92	12
93	12

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	2
7	0
8	0
9	3
10	5
11	0
12	2
13	2
14	2
15	3
16	3
17	0
18	2
19	0
20	2
21	2
22	2
23	0
24	2
25	7
26	7
27	10
28	10
29	5
30	5
31	3
32	3
33	3
34	5
35	5
36	7
37	7
38	7
39	3
40	5
41	2
42	2
43	2
44	2
45	10
46	10
47	8
48	10
49	12
50	12
51	12
52	12
53	9
54	9
55	2
56	2
57	2
58	2
59	2
60	2
61	2
62	2
63	10
64	10
65	7
66	9
67	7
68	9
69	5
70	5
71	0
72	2
73	2
74	2
75	7
76	7
77	14
78	14
79	7
80	9
81	12
82	12
83	5
84	5
85	10
86	10
87	10
88	10
89	5
90	5
91	12
92	12
93	12