A025210 - cp's OEIS frontend

A025210 a(n) = floor(floor(S3)/floor(S1)); where S3 and S1 are, respectively, the third and first elementary symmetric functions of {log(k)}, k = 1,2,...,n.

n	a(n)
4	0
5	1
6	3
7	6
8	11
9	18
10	25
11	36
12	50
13	64
14	81
15	104
16	127
17	153
18	182
19	215
20	251
21	292
22	336
23	385
24	438
25	487
26	549
27	616
28	687
29	753
30	835
31	910
32	1002
33	1087
34	1190
35	1285
36	1400
37	1505
38	1632
39	1748
40	1870
41	1997
42	2148
43	2287
44	2431
45	2582
46	2759
47	2922
48	3091

[0, 1, 3, 6, 11, 18, 25, 36, 50, 64, 81, 104, 127, 153, 182, 215, 251, 292, 336, 385, 438, 487, 549, 616, 687, 753, 835, 910, 1002, 1087, 1190, 1285, 1400, 1505, 1632, 1748, 1870, 1997, 2148, 2287, 2431, 2582, 2759, 2922, 3091]

cp's OEIS Frontend

A025210 a(n) = floor(floor(S3)/floor(S1)); where S3 and S1 are, respectively, the third and first elementary symmetric functions of {log(k)}, k = 1,2,...,n.

Table of values

List of values