A049858 - cp's OEIS frontend

A049858 a(n) = Sum{a(k): k=0,1,2,...,n-4,n-2,n-1}; a(n-3) is not a summand; initial terms are 0,1,2.

n	a(n)
0	0
1	1
2	2
3	3
4	5
5	9
6	17
7	32
8	60
9	112
10	209
11	390
12	728
13	1359
14	2537
15	4736
16	8841
17	16504
18	30809
19	57513
20	107363
21	200421
22	374138
23	698426
24	1303794
25	2433871
26	4543454
27	8481540
28	15833003
29	29556423
30	55174760
31	102998057
32	192272694
33	358927051
34	670030805
35	1250786973
36	2334919589

[0, 1, 2, 3, 5, 9, 17, 32, 60, 112, 209, 390, 728, 1359, 2537, 4736, 8841, 16504, 30809, 57513, 107363, 200421, 374138, 698426, 1303794, 2433871, 4543454, 8481540, 15833003, 29556423, 55174760, 102998057, 192272694, 358927051, 670030805, 1250786973, 2334919589]

cp's OEIS Frontend

A049858 a(n) = Sum{a(k): k=0,1,2,...,n-4,n-2,n-1}; a(n-3) is not a summand; initial terms are 0,1,2.

Table of values

List of values