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A006461 as a simple table

n a(n)
0 1
1 0
2 -1
3 -2
4 -4
5 -8
6 -17
7 -38
8 -88
9 -210
10 -511
11 -1264
12 -3165
13 -8006
14 -20426
15 -52472
16 -135682
17 -352562
18 -920924
19 -2414272
20 -6356565
21 -16782444
22 -44470757
23 -118090648
24 -314580062
25 -839379548
26 -2245969278
27 -6017177104
28 -16161597987

[1,0,-1,-2,-4,-8,-17,-38,-88,-210,-511,-1264,
 -3165,-8006,-20426,-52472,-135682,-352562,-920924,
 -2414272,-6356565,-16782444,-44470757,-118090648,
 -314580062,-839379548,-2245969278,-6017177104,
 -16161597987]

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)