A088207 - cp's OEIS frontend

A088207 a(n) = Sum_{k=0..n} floor(k*phi^2) where phi=(1+sqrt(5))/2.

n	a(n)
0	0
1	2
2	7
3	14
4	24
5	37
6	52
7	70
8	90
9	113
10	139
11	167
12	198
13	232
14	268
15	307
16	348
17	392
18	439
19	488
20	540
21	594
22	651
23	711
24	773
25	838
26	906
27	976
28	1049
29	1124
30	1202
31	1283
32	1366
33	1452
34	1541
35	1632
36	1726
37	1822
38	1921
39	2023
40	2127
41	2234
42	2343
43	2455
44	2570
45	2687
46	2807
47	2930
48	3055
49	3183

[0, 2, 7, 14, 24, 37, 52, 70, 90, 113, 139, 167, 198, 232, 268, 307, 348, 392, 439, 488, 540, 594, 651, 711, 773, 838, 906, 976, 1049, 1124, 1202, 1283, 1366, 1452, 1541, 1632, 1726, 1822, 1921, 2023, 2127, 2234, 2343, 2455, 2570, 2687, 2807, 2930, 3055, 3183]

cp's OEIS Frontend

A088207 a(n) = Sum_{k=0..n} floor(k*phi^2) where phi=(1+sqrt(5))/2.

Table of values

List of values