A281333 - cp's OEIS frontend

A281333 a(n) = 1 + floor(n/2) + floor(n^2/3).

n	a(n)
0	1
1	1
2	3
3	5
4	8
5	11
6	16
7	20
8	26
9	32
10	39
11	46
12	55
13	63
14	73
15	83
16	94
17	105
18	118
19	130
20	144
21	158
22	173
23	188
24	205
25	221
26	239
27	257
28	276
29	295
30	316
31	336
32	358
33	380
34	403
35	426
36	451
37	475
38	501
39	527
40	554
41	581
42	610
43	638
44	668
45	698
46	729
47	760
48	793
49	825
50	859
51	893
52	928
53	963
54	1000
55	1036
56	1074
57	1112
58	1151
59	1190

[1, 1, 3, 5, 8, 11, 16, 20, 26, 32, 39, 46, 55, 63, 73, 83, 94, 105, 118, 130, 144, 158, 173, 188, 205, 221, 239, 257, 276, 295, 316, 336, 358, 380, 403, 426, 451, 475, 501, 527, 554, 581, 610, 638, 668, 698, 729, 760, 793, 825, 859, 893, 928, 963, 1000, 1036, 1074, 1112, 1151, 1190]

cp's OEIS Frontend

A281333 a(n) = 1 + floor(n/2) + floor(n^2/3).

Table of values

List of values