A174060 - cp's OEIS frontend

A174060 a(n) = Sum_{k=0..n} floor(sqrt(k))^2.

n	a(n)
0	0
1	1
2	2
3	3
4	7
5	11
6	15
7	19
8	23
9	32
10	41
11	50
12	59
13	68
14	77
15	86
16	102
17	118
18	134
19	150
20	166
21	182
22	198
23	214
24	230
25	255
26	280
27	305
28	330
29	355
30	380
31	405
32	430
33	455
34	480
35	505
36	541
37	577
38	613
39	649
40	685
41	721
42	757
43	793
44	829
45	865
46	901
47	937
48	973
49	1022
50	1071
51	1120
52	1169
53	1218
54	1267
55	1316

[0, 1, 2, 3, 7, 11, 15, 19, 23, 32, 41, 50, 59, 68, 77, 86, 102, 118, 134, 150, 166, 182, 198, 214, 230, 255, 280, 305, 330, 355, 380, 405, 430, 455, 480, 505, 541, 577, 613, 649, 685, 721, 757, 793, 829, 865, 901, 937, 973, 1022, 1071, 1120, 1169, 1218, 1267, 1316]

cp's OEIS Frontend

A174060 a(n) = Sum_{k=0..n} floor(sqrt(k))^2.

Table of values

List of values