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A178738 as a simple table

n a(n)
1 1
2 -1
3 -1
4 1
5 2
6 -3
7 -5
8 9
9 15
10 -27
11 -49
12 89
13 164
14 -304
15 -565
16 1057
17 1987
18 -3745
19 -7085
20 13445
21 25575
22 -48771
23 -93210
24 178481
25 342392
26 -657935
27 -1266205
28 2440323
29 4709403
30 -9099507
31 -17602325
32 34087058
33 66076421
34 -128207979
35 -248983641

[1,-1,-1,1,2,-3,-5,9,15,-27,-49,89,164,-304,-565,
 1057,1987,-3745,-7085,13445,25575,-48771,-93210,
 178481,342392,-657935,-1266205,2440323,4709403,
 -9099507,-17602325,34087058,66076421,-128207979,
 -248983641]

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)