A023853 - cp's OEIS frontend

A023853 Sum of exponents in prime-power factorization of binomial(6n, 2n).

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

[0, 2, 4, 6, 6, 8, 11, 11, 10, 11, 13, 18, 17, 17, 17, 19, 18, 20, 19, 22, 22, 23, 27, 28, 27, 26, 29, 31, 29, 31, 32, 35, 31, 31, 31, 35, 33, 35, 37, 36, 36, 37, 39, 43, 42, 43, 46, 47, 43, 44, 45, 48, 47, 46, 50, 53, 51, 52, 53, 57, 55, 55, 56, 56, 51, 52, 54, 56, 56, 55, 58, 62, 58, 59, 60, 61, 62]

cp's OEIS Frontend

A023853 Sum of exponents in prime-power factorization of binomial(6n, 2n).

Table of values

List of values

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

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

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