A025200 - cp's OEIS frontend

A025200 a(n) = floor(floor(S3)/floor(S1)), where S3 and S1 are, respectively, the 3rd and first elementary symmetric functions of {sqrt(k), k = 1,2,...,n}.

n	a(n)
2	0
3	2
4	5
5	11
6	18
7	28
8	42
9	60
10	82
11	107
12	140
13	176
14	218
15	267
16	324
17	389
18	455
19	538
20	622
21	726
22	830
23	945
24	1072
25	1211
26	1363
27	1513
28	1692
29	1868
30	2076
31	2282
32	2502
33	2759
34	3013
35	3283
36	3572
37	3854
38	4178
39	4523
40	4860
41	5244
42	5621
43	6048
44	6467
45	6907
46	7370
47	7890
48	8400
49	8896
50	9454
51	10037
52	10647
53	11241
54	11903
55	12594
56	13268
57	13968

[0, 2, 5, 11, 18, 28, 42, 60, 82, 107, 140, 176, 218, 267, 324, 389, 455, 538, 622, 726, 830, 945, 1072, 1211, 1363, 1513, 1692, 1868, 2076, 2282, 2502, 2759, 3013, 3283, 3572, 3854, 4178, 4523, 4860, 5244, 5621, 6048, 6467, 6907, 7370, 7890, 8400, 8896, 9454, 10037, 10647, 11241, 11903, 12594, 13268, 13968]

cp's OEIS Frontend

A025200 a(n) = floor(floor(S3)/floor(S1)), where S3 and S1 are, respectively, the 3rd and first elementary symmetric functions of {sqrt(k), k = 1,2,...,n}.

Table of values

List of values