A155370 - 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

A155370 as a simple table

n	a(n)
5	1
6	7
7	19
8	37
9	124
10	545
11	2932
12	15809
13	100710
14	785638
15	7143835
16	76372256
17	962177079
18	14293799953
19	248275319618

[1,7,19,37,124,545,2932,15809,100710,785638, 7143835,76372256,962177079,14293799953, 248275319618]