A322332 - cp's OEIS frontend

A322332 'Geobonnaci' sequence: a(1)=a(2)=1, thereafter a(n) = round( 2 * sqrt(a(n-1) * a(n-2)) ).

n	a(n)
1	1
2	1
3	2
4	3
5	5
6	8
7	13
8	20
9	32
10	51
11	81
12	129
13	204
14	324
15	514
16	816
17	1295
18	2056
19	3263
20	5180
21	8222
22	13052
23	20718
24	32888
25	52206
26	82872
27	131551
28	208824
29	331488
30	526204
31	835297
32	1325951
33	2104816
34	3341187
35	5303804
36	8419264
37	13364749
38	21215216
39	33677057
40	53458995

[1, 1, 2, 3, 5, 8, 13, 20, 32, 51, 81, 129, 204, 324, 514, 816, 1295, 2056, 3263, 5180, 8222, 13052, 20718, 32888, 52206, 82872, 131551, 208824, 331488, 526204, 835297, 1325951, 2104816, 3341187, 5303804, 8419264, 13364749, 21215216, 33677057, 53458995]

cp's OEIS Frontend

A322332 'Geobonnaci' sequence: a(1)=a(2)=1, thereafter a(n) = round( 2 * sqrt(a(n-1) * a(n-2)) ).

Table of values

List of values