A183464 - 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

A183464 as a simple table

n	a(n)
1	40
2	685
3	4364
4	20625
5	210362
6	1724088
7	15282749
8	158811752
9	1460794339
10	14117917139
11	144615148548
12	1399153374630
13	13824276707100
14	139927570808579
15	1381401531147870
16	13761702636318942
17	138349438016533866

[40,685,4364,20625,210362,1724088,15282749, 158811752,1460794339,14117917139,144615148548, 1399153374630,13824276707100,139927570808579, 1381401531147870,13761702636318942, 138349438016533866]