A366107 - cp's OEIS frontend

A366107 a(n) = Sum_{i=0..floor(q(n)/3)} binomial(n-3(i+1), q(n)-3i) with q(n) = ceiling((n-3)/2).

n	a(n)
3	1
4	1
5	2
6	3
7	6
8	11
9	21
10	39
11	75
12	141
13	273
14	519
15	1009
16	1933
17	3770
18	7263
19	14202
20	27479
21	53846
22	104543
23	205216
24	399543
25	785460
26	1532779
27	3017106
28	5899167
29	11624580
30	22766607
31	44905518
32	88073091
33	173863965
34	341425551
35	674506059
36	1326019653
37	2621371005
38	5158412943
39	10203609597

[1, 1, 2, 3, 6, 11, 21, 39, 75, 141, 273, 519, 1009, 1933, 3770, 7263, 14202, 27479, 53846, 104543, 205216, 399543, 785460, 1532779, 3017106, 5899167, 11624580, 22766607, 44905518, 88073091, 173863965, 341425551, 674506059, 1326019653, 2621371005, 5158412943, 10203609597]

cp's OEIS Frontend

A366107 a(n) = Sum_{i=0..floor(q(n)/3)} binomial(n-3(i+1), q(n)-3i) with q(n) = ceiling((n-3)/2).

Table of values

List of values

cp's OEIS Frontend

A366107 a(n) = Sum_{i=0..floor(q(n)/3)} binomial(n-3*(i+1), q(n)-3*i) with q(n) = ceiling((n-3)/2).

Table of values

List of values

A366107 a(n) = Sum_{i=0..floor(q(n)/3)} binomial(n-3(i+1), q(n)-3i) with q(n) = ceiling((n-3)/2).