A049191 - 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

A049191 as a simple table

n	a(n)
1	1
2	4
3	7
4	49
5	376
6	886
7	28834
8	205195
9	190471228
10	326526374362
11	303663850108045
12	14055945960715098799
13	257290919119829489870640337
14	26045951636791617523077244751268466

[1,4,7,49,376,886,28834,205195,190471228, 326526374362,303663850108045,14055945960715098799, 257290919119829489870640337, 26045951636791617523077244751268466]