A352039 - cp's OEIS frontend

A352039 a(0) = 1; a(n) = Sum_{k=0..floor(n/3)} binomial(n-2k,k) a(k).

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	4
6	6
7	9
8	13
9	20
10	32
11	51
12	82
13	133
14	215
15	346
16	555
17	886
18	1408
19	2231
20	3528
21	5572
22	8797
23	13892
24	21950
25	34707
26	54919
27	86958
28	137761
29	218339
30	346178
31	549073
32	871261
33	1383243
34	2197542
35	3494019
36	5560580
37	8858687
38	14128865
39	22560717
40	36067022
41	57725840

[1, 1, 1, 2, 3, 4, 6, 9, 13, 20, 32, 51, 82, 133, 215, 346, 555, 886, 1408, 2231, 3528, 5572, 8797, 13892, 21950, 34707, 54919, 86958, 137761, 218339, 346178, 549073, 871261, 1383243, 2197542, 3494019, 5560580, 8858687, 14128865, 22560717, 36067022, 57725840]

cp's OEIS Frontend

A352039 a(0) = 1; a(n) = Sum_{k=0..floor(n/3)} binomial(n-2k,k) a(k).

Table of values

List of values

cp's OEIS Frontend

A352039 a(0) = 1; a(n) = Sum_{k=0..floor(n/3)} binomial(n-2*k,k) * a(k).

Table of values

List of values

A352039 a(0) = 1; a(n) = Sum_{k=0..floor(n/3)} binomial(n-2k,k) a(k).