A352042 - cp's OEIS frontend

A352042 a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/3)} binomial(n-2k-1,k) a(k).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	3
6	4
7	6
8	9
9	13
10	19
11	28
12	41
13	61
14	93
15	144
16	226
17	359
18	574
19	920
20	1475
21	2361
22	3769
23	6000
24	9528
25	15100
26	23897
27	37789
28	59739
29	94446
30	149365
31	236322
32	374073
33	592357
34	938311
35	1486625
36	2355620
37	3732704
38	5914682
39	9371599
40	14847866
41	23522460
42	37262742
43	59026662

[1, 1, 1, 1, 2, 3, 4, 6, 9, 13, 19, 28, 41, 61, 93, 144, 226, 359, 574, 920, 1475, 2361, 3769, 6000, 9528, 15100, 23897, 37789, 59739, 94446, 149365, 236322, 374073, 592357, 938311, 1486625, 2355620, 3732704, 5914682, 9371599, 14847866, 23522460, 37262742, 59026662]

cp's OEIS Frontend

A352042 a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/3)} binomial(n-2k-1,k) a(k).

Table of values

List of values

cp's OEIS Frontend

A352042 a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/3)} binomial(n-2*k-1,k) * a(k).

Table of values

List of values

A352042 a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/3)} binomial(n-2k-1,k) a(k).