A058039 - cp's OEIS frontend

A058039 a(n) = a(n-1) + 2*a(floor(n/2)) if n > 0, otherwise 1.

n	a(n)
0	1
1	3
2	9
3	15
4	33
5	51
6	81
7	111
8	177
9	243
10	345
11	447
12	609
13	771
14	993
15	1215
16	1569
17	1923
18	2409
19	2895
20	3585
21	4275
22	5169
23	6063
24	7281
25	8499
26	10041
27	11583
28	13569
29	15555
30	17985
31	20415
32	23553
33	26691
34	30537
35	34383
36	39201
37	44019
38	49809
39	55599
40	62769
41	69939
42	78489
43	87039

[1, 3, 9, 15, 33, 51, 81, 111, 177, 243, 345, 447, 609, 771, 993, 1215, 1569, 1923, 2409, 2895, 3585, 4275, 5169, 6063, 7281, 8499, 10041, 11583, 13569, 15555, 17985, 20415, 23553, 26691, 30537, 34383, 39201, 44019, 49809, 55599, 62769, 69939, 78489, 87039]

cp's OEIS Frontend

A058039 a(n) = a(n-1) + 2*a(floor(n/2)) if n > 0, otherwise 1.

Table of values

List of values