A116201 - cp's OEIS frontend

A116201 a(n) = a(n-1) + a(n-2) + a(n-3) - a(n-4); a(0)=0, a(1)=1, a(2)=1, a(3)=1.

n	a(n)
0	0
1	1
2	1
3	1
4	3
5	4
6	7
7	13
8	21
9	37
10	64
11	109
12	189
13	325
14	559
15	964
16	1659
17	2857
18	4921
19	8473
20	14592
21	25129
22	43273
23	74521
24	128331
25	220996
26	380575
27	655381
28	1128621
29	1943581
30	3347008
31	5763829
32	9925797
33	17093053
34	29435671
35	50690692
36	87293619
37	150326929
38	258875569

[0, 1, 1, 1, 3, 4, 7, 13, 21, 37, 64, 109, 189, 325, 559, 964, 1659, 2857, 4921, 8473, 14592, 25129, 43273, 74521, 128331, 220996, 380575, 655381, 1128621, 1943581, 3347008, 5763829, 9925797, 17093053, 29435671, 50690692, 87293619, 150326929, 258875569]

cp's OEIS Frontend

A116201 a(n) = a(n-1) + a(n-2) + a(n-3) - a(n-4); a(0)=0, a(1)=1, a(2)=1, a(3)=1.

Table of values

List of values