A178624 - 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

A178624 as a simple table

n	a(n)
1	1
2	1
3	-3
4	11
5	38
6	249
7	-2357
8	8767
9	496035
10	-3769372
11	-299154043
12	-12064147359
13	632926474117
14	-65604679199921
15	-6662962874355342
16	-720710377683595651
17	285131375126739646739
18	5206174703484724719135

[1,1,-3,11,38,249,-2357,8767,496035,-3769372, -299154043,-12064147359,632926474117, -65604679199921,-6662962874355342, -720710377683595651,285131375126739646739, 5206174703484724719135]