A173562 - cp's OEIS frontend

A173562 a(n) = n^2 + floor(n/4).

n	a(n)
0	0
1	1
2	4
3	9
4	17
5	26
6	37
7	50
8	66
9	83
10	102
11	123
12	147
13	172
14	199
15	228
16	260
17	293
18	328
19	365
20	405
21	446
22	489
23	534
24	582
25	631
26	682
27	735
28	791
29	848
30	907
31	968
32	1032
33	1097
34	1164
35	1233
36	1305
37	1378
38	1453
39	1530
40	1610
41	1691
42	1774
43	1859
44	1947
45	2036
46	2127
47	2220
48	2316
49	2413
50	2512

[0, 1, 4, 9, 17, 26, 37, 50, 66, 83, 102, 123, 147, 172, 199, 228, 260, 293, 328, 365, 405, 446, 489, 534, 582, 631, 682, 735, 791, 848, 907, 968, 1032, 1097, 1164, 1233, 1305, 1378, 1453, 1530, 1610, 1691, 1774, 1859, 1947, 2036, 2127, 2220, 2316, 2413, 2512]

cp's OEIS Frontend

A173562 a(n) = n^2 + floor(n/4).

Table of values

List of values