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A178627 as a simple table

n a(n)
0 0
1 1
2 1
3 -1
4 -2
5 -1
6 5
7 9
8 -8
9 -41
10 -61
11 241
12 770
13 -271
14 -8649
15 -27329
16 106768
17 651521
18 740665
19 -18425809
20 -107300098
21 399122991
22 5615422669
23 24055184809
24 -383354254360
25 -3943757411849
26 9276714153611
27 498726356978849

[0,1,1,-1,-2,-1,5,9,-8,-41,-61,241,770,-271,-8649,
 -27329,106768,651521,740665,-18425809,-107300098,
 399122991,5615422669,24055184809,-383354254360,
 -3943757411849,9276714153611,498726356978849]

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)