A354044 - cp's OEIS frontend

A354044 a(n) = 2(-i)^n(nsin(c(n+1)) - isin(-cn))/sqrt(5) where c = arccos(i/2).

n	a(n)
0	0
1	2
2	5
3	11
4	23
5	45
6	86
7	160
8	293
9	529
10	945
11	1673
12	2940
13	5134
14	8917
15	15415
16	26539
17	45525
18	77842
19	132716
20	225685
21	382877
22	648165
23	1095121
24	1846968
25	3109850
26	5228261
27	8777315
28	14716223
29	24643389
30	41220110
31	68873848
32	114964805
33	191719849
34	319436697
35	531789785

[0, 2, 5, 11, 23, 45, 86, 160, 293, 529, 945, 1673, 2940, 5134, 8917, 15415, 26539, 45525, 77842, 132716, 225685, 382877, 648165, 1095121, 1846968, 3109850, 5228261, 8777315, 14716223, 24643389, 41220110, 68873848, 114964805, 191719849, 319436697, 531789785]

cp's OEIS Frontend

A354044 a(n) = 2(-i)^n(nsin(c(n+1)) - isin(-cn))/sqrt(5) where c = arccos(i/2).

Table of values

List of values

cp's OEIS Frontend

A354044 a(n) = 2*(-i)^n*(n*sin(c*(n+1)) - i*sin(-c*n))/sqrt(5) where c = arccos(i/2).

Table of values

List of values

A354044 a(n) = 2(-i)^n(nsin(c(n+1)) - isin(-cn))/sqrt(5) where c = arccos(i/2).