A134185 - 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

A134185 as a simple table

n	a(n)
0	1
1	2
2	0
3	-8
4	-32
5	-256
6	0
7	16384
8	262144
9	8388608
10	0
11	-8589934592
12	-549755813888
13	-70368744177664
14	0
15	1152921504606846976
16	295147905179352825856
17	151115727451828646838272
18	0
19	-39614081257132168796771975168

[1,2,0,-8,-32,-256,0,16384,262144,8388608,0, -8589934592,-549755813888,-70368744177664,0, 1152921504606846976,295147905179352825856, 151115727451828646838272,0, -39614081257132168796771975168]