A288447 - 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

A288447 as a simple table

n	a(n)
1	2
2	4
3	8
4	10
5	14
6	20
7	22
8	26
9	32
10	40
11	110
12	116
13	142
14	148
15	200
16	370
17	854
18	1166
19	1594
20	2164
21	4424
22	5942
23	9086
24	13300
25	15224
26	20482
27	22940
28	27478
29	47486

[2,4,8,10,14,20,22,26,32,40,110,116,142,148,200, 370,854,1166,1594,2164,4424,5942,9086,13300,15224, 20482,22940,27478,47486]