A095719 - cp's OEIS frontend

A095719 a(n) = Sum_{k = 0..floor(n/2)} floor(C(n-k,k)/(k+1)).

n	a(n)
1	1
2	1
3	2
4	2
5	4
6	5
7	8
8	11
9	18
10	25
11	40
12	59
13	90
14	137
15	210
16	319
17	492
18	754
19	1164
20	1798
21	2786
22	4317
23	6710
24	10438
25	16266
26	25377
27	39650
28	62013
29	97108
30	152212
31	238822
32	375058
33	589520
34	927365
35	1459960
36	2300097
37	3626211
38	5720649
39	9030450
40	14263675

[1, 1, 2, 2, 4, 5, 8, 11, 18, 25, 40, 59, 90, 137, 210, 319, 492, 754, 1164, 1798, 2786, 4317, 6710, 10438, 16266, 25377, 39650, 62013, 97108, 152212, 238822, 375058, 589520, 927365, 1459960, 2300097, 3626211, 5720649, 9030450, 14263675]

cp's OEIS Frontend

A095719 a(n) = Sum_{k = 0..floor(n/2)} floor(C(n-k,k)/(k+1)).

Table of values

List of values