A018151 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A018151 as a simple table

n	a(n)
0	1
1	2
2	3
3	5
4	8
5	13
6	22
7	36
8	61
9	101
10	169
11	282
12	471
13	788
14	1315
15	2197
16	3670
17	6129
18	10238
19	17100
20	28561
21	47705
22	79680
23	133088
24	222294
25	371293
26	620162
27	1035843
28	1730146
29	2889824
30	4826809
31	8062111
32	13465964

[1,2,3,5,8,13,22,36,61,101,169,282,471,788,1315, 2197,3670,6129,10238,17100,28561,47705,79680, 133088,222294,371293,620162,1035843,1730146, 2889824,4826809,8062111,13465964]