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A195982 as a simple table

n a(n)
0 1
1 -2
2 -1
3 0
4 -1
5 -2
6 -7
7 -18
8 -50
9 -138
10 -386
11 -1092
12 -3122
13 -9004
14 -26173
15 -76606
16 -225584
17 -667880
18 -1986932
19 -5936754
20 -17807936
21 -53606646
22 -161892564
23 -490363820
24 -1489319219
25 -4534631182
26 -13838799043
27 -42323692348
28 -129697503097
29 -398183735878
30 -1224576726538
31 -3772166985448
32 -11637362223230
33 -35953168834338
34 -111225021683891

[1,-2,-1,0,-1,-2,-7,-18,-50,-138,-386,-1092,-3122,
 -9004,-26173,-76606,-225584,-667880,-1986932,
 -5936754,-17807936,-53606646,-161892564,
 -490363820,-1489319219,-4534631182,-13838799043,
 -42323692348,-129697503097,-398183735878,
 -1224576726538,-3772166985448,-11637362223230,
 -35953168834338,-111225021683891]

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Last modified April 23 05:16 EDT 2024. Contains 371906 sequences. (Running on oeis4.)