A226078 - cp's OEIS frontend

A226078 Table read by rows: prime power factors of central binomial coefficients, cf. A000984.

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

[1, 2, 2, 3, 4, 5, 2, 5, 7, 4, 9, 7, 4, 3, 7, 11, 8, 3, 11, 13, 2, 9, 5, 11, 13, 4, 5, 11, 13, 17, 4, 11, 13, 17, 19, 8, 3, 7, 13, 17, 19, 4, 7, 13, 17, 19, 23, 8, 25, 7, 17, 19, 23, 8, 27, 25, 17, 19, 23, 16, 9, 5, 17, 19, 23, 29, 2, 9, 5, 17, 19, 23, 29, 31]

cp's OEIS Frontend

A226078 Table read by rows: prime power factors of central binomial coefficients, cf. A000984.

Table of values

List of values

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

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

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