A135431 - cp's OEIS frontend

A135431 a(n) = a(n-1) + a(n-2) + a(n-3) - a(n-4) with a(0)=0, a(1)=1, a(2)=2 and a(3)=3.

n	a(n)
0	0
1	1
2	2
3	3
4	6
5	10
6	17
7	30
8	51
9	88
10	152
11	261
12	450
13	775
14	1334
15	2298
16	3957
17	6814
18	11735
19	20208
20	34800
21	59929
22	103202
23	177723
24	306054
25	527050
26	907625
27	1563006
28	2691627
29	4635208
30	7982216
31	13746045
32	23671842
33	40764895
34	70200566
35	120891258
36	208184877
37	358511806

[0, 1, 2, 3, 6, 10, 17, 30, 51, 88, 152, 261, 450, 775, 1334, 2298, 3957, 6814, 11735, 20208, 34800, 59929, 103202, 177723, 306054, 527050, 907625, 1563006, 2691627, 4635208, 7982216, 13746045, 23671842, 40764895, 70200566, 120891258, 208184877, 358511806]

cp's OEIS Frontend

A135431 a(n) = a(n-1) + a(n-2) + a(n-3) - a(n-4) with a(0)=0, a(1)=1, a(2)=2 and a(3)=3.

Table of values

List of values