A255978 - cp's OEIS frontend

A255978 a(n) = a(n-1) + a(n-2) + (1 + (-1)^(a(n-1) + a(n-2))) with a(0)=0, a(1)=1.

n	a(n)
0	0
1	1
2	1
3	4
4	5
5	9
6	16
7	25
8	41
9	68
10	109
11	177
12	288
13	465
14	753
15	1220
16	1973
17	3193
18	5168
19	8361
20	13529
21	21892
22	35421
23	57313
24	92736
25	150049
26	242785
27	392836
28	635621
29	1028457
30	1664080
31	2692537
32	4356617
33	7049156
34	11405773
35	18454929
36	29860704
37	48315633
38	78176337
39	126491972
40	204668309
41	331160281
42	535828592

[0, 1, 1, 4, 5, 9, 16, 25, 41, 68, 109, 177, 288, 465, 753, 1220, 1973, 3193, 5168, 8361, 13529, 21892, 35421, 57313, 92736, 150049, 242785, 392836, 635621, 1028457, 1664080, 2692537, 4356617, 7049156, 11405773, 18454929, 29860704, 48315633, 78176337, 126491972, 204668309, 331160281, 535828592]

cp's OEIS Frontend

A255978 a(n) = a(n-1) + a(n-2) + (1 + (-1)^(a(n-1) + a(n-2))) with a(0)=0, a(1)=1.

Table of values

List of values