A187893 - cp's OEIS frontend

A187893 a(0)=1, a(1)=4, a(n) = a(n-1) + a(n-2) - 1.

n	a(n)
0	1
1	4
2	4
3	7
4	10
5	16
6	25
7	40
8	64
9	103
10	166
11	268
12	433
13	700
14	1132
15	1831
16	2962
17	4792
18	7753
19	12544
20	20296
21	32839
22	53134
23	85972
24	139105
25	225076
26	364180
27	589255
28	953434
29	1542688
30	2496121
31	4038808
32	6534928
33	10573735
34	17108662
35	27682396
36	44791057
37	72473452
38	117264508

[1, 4, 4, 7, 10, 16, 25, 40, 64, 103, 166, 268, 433, 700, 1132, 1831, 2962, 4792, 7753, 12544, 20296, 32839, 53134, 85972, 139105, 225076, 364180, 589255, 953434, 1542688, 2496121, 4038808, 6534928, 10573735, 17108662, 27682396, 44791057, 72473452, 117264508]

cp's OEIS Frontend

A187893 a(0)=1, a(1)=4, a(n) = a(n-1) + a(n-2) - 1.

Table of values

List of values