A197670 - 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

A197670 as a simple table

n	a(n)
1	16
2	642
3	14503
4	403960
5	11277331
6	311676959
7	8613257822
8	239118653300
9	6630227642552
10	183756345226485
11	5094599088185193
12	141246701196281961
13	3915786139554013344
14	108558677747367102730
15	3009656266880644396542

[16,642,14503,403960,11277331,311676959, 8613257822,239118653300,6630227642552, 183756345226485,5094599088185193, 141246701196281961,3915786139554013344, 108558677747367102730,3009656266880644396542]