A283969 - cp's OEIS frontend

A283969 a(n) = n + 1 + Sum_{k=0..n} floor((n-k)/r), where r = (3+sqrt(5))/2.

n	a(n)
0	1
1	4
2	10
3	18
4	29
5	43
6	59
7	78
8	99
9	123
10	150
11	179
12	211
13	246
14	283
15	323
16	365
17	410
18	458
19	508
20	561
21	616
22	674
23	735
24	798
25	864
26	933
27	1004
28	1078
29	1154
30	1233
31	1315
32	1399
33	1486
34	1576
35	1668
36	1763
37	1860
38	1960
39	2063
40	2168
41	2276
42	2386
43	2499
44	2615
45	2733
46	2854
47	2978
48	3104

[1, 4, 10, 18, 29, 43, 59, 78, 99, 123, 150, 179, 211, 246, 283, 323, 365, 410, 458, 508, 561, 616, 674, 735, 798, 864, 933, 1004, 1078, 1154, 1233, 1315, 1399, 1486, 1576, 1668, 1763, 1860, 1960, 2063, 2168, 2276, 2386, 2499, 2615, 2733, 2854, 2978, 3104]

cp's OEIS Frontend

A283969 a(n) = n + 1 + Sum_{k=0..n} floor((n-k)/r), where r = (3+sqrt(5))/2.

Table of values

List of values