A174804 - cp's OEIS frontend

A174804 a(n) = nceiling(sqrt(n))floor(sqrt(n)).

n	a(n)
0	0
1	1
2	4
3	6
4	16
5	30
6	36
7	42
8	48
9	81
10	120
11	132
12	144
13	156
14	168
15	180
16	256
17	340
18	360
19	380
20	400
21	420
22	440
23	460
24	480
25	625
26	780
27	810
28	840
29	870
30	900
31	930
32	960
33	990
34	1020
35	1050
36	1296
37	1554
38	1596
39	1638
40	1680
41	1722
42	1764
43	1806
44	1848
45	1890
46	1932
47	1974
48	2016
49	2401
50	2800

[0, 1, 4, 6, 16, 30, 36, 42, 48, 81, 120, 132, 144, 156, 168, 180, 256, 340, 360, 380, 400, 420, 440, 460, 480, 625, 780, 810, 840, 870, 900, 930, 960, 990, 1020, 1050, 1296, 1554, 1596, 1638, 1680, 1722, 1764, 1806, 1848, 1890, 1932, 1974, 2016, 2401, 2800]

cp's OEIS Frontend

A174804 a(n) = nceiling(sqrt(n))floor(sqrt(n)).

Table of values

List of values

cp's OEIS Frontend

A174804 a(n) = n*ceiling(sqrt(n))*floor(sqrt(n)).

Table of values

List of values

A174804 a(n) = nceiling(sqrt(n))floor(sqrt(n)).