A151889 - cp's OEIS frontend

A151889 a(1)=2, a(2)=3; a(2k-1)=2a(2k-2)+a(2k-3), a(2k)=3a(2k-2)+2a(2k-3), k >= 2.

n	a(n)
1	2
2	3
3	8
4	13
5	34
6	55
7	144
8	233
9	610
10	987
11	2584
12	4181
13	10946
14	17711
15	46368
16	75025
17	196418
18	317811
19	832040
20	1346269
21	3524578
22	5702887
23	14930352
24	24157817
25	63245986
26	102334155
27	267914296
28	433494437
29	1134903170
30	1836311903

[2, 3, 8, 13, 34, 55, 144, 233, 610, 987, 2584, 4181, 10946, 17711, 46368, 75025, 196418, 317811, 832040, 1346269, 3524578, 5702887, 14930352, 24157817, 63245986, 102334155, 267914296, 433494437, 1134903170, 1836311903]

cp's OEIS Frontend

A151889 a(1)=2, a(2)=3; a(2k-1)=2a(2k-2)+a(2k-3), a(2k)=3a(2k-2)+2a(2k-3), k >= 2.

Table of values

List of values