A229924 - 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

A229924 as a simple table

n	a(n)
1	1
2	5
3	13
4	35
5	81
6	165
7	329
8	587
9	1059
10	1807
11	2939
12	4633
13	7431
14	11391
15	17091
16	25372
17	37343
18	53913
19	77393
20	109273
21	153857
22	214409
23	295293
24	403545
25	551715
26	745643
27	1001721
28	1339677
29	1784109

[1,5,13,35,81,165,329,587,1059,1807,2939,4633, 7431,11391,17091,25372,37343,53913,77393,109273, 153857,214409,295293,403545,551715,745643,1001721, 1339677,1784109]