A165995 - cp's OEIS frontend

A165995 a(n) = Sum_{p > n} floor(n^2/p), for primes p.

n	a(n)
1	0
2	1
3	2
4	7
5	9
6	16
7	19
8	28
9	40
10	54
11	60
12	76
13	81
14	100
15	121
16	143
17	151
18	177
19	184
20	210
21	241
22	272
23	281
24	314
25	349
26	386
27	424
28	465
29	480
30	522
31	538
32	582
33	628
34	677
35	728
36	782
37	800
38	856
39	910
40	970
41	991
42	1051
43	1072
44	1133
45	1198
46	1263
47	1285
48	1353
49	1424
50	1497
51	1571

[0, 1, 2, 7, 9, 16, 19, 28, 40, 54, 60, 76, 81, 100, 121, 143, 151, 177, 184, 210, 241, 272, 281, 314, 349, 386, 424, 465, 480, 522, 538, 582, 628, 677, 728, 782, 800, 856, 910, 970, 991, 1051, 1072, 1133, 1198, 1263, 1285, 1353, 1424, 1497, 1571]

cp's OEIS Frontend

A165995 a(n) = Sum_{p > n} floor(n^2/p), for primes p.

Table of values

List of values