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A176981 as a simple table

n a(n)
0 1
1 0
2 -1
3 -2
4 -5
5 -12
6 -29
7 -70
8 -169
9 -408
10 -985
11 -2378
12 -5741
13 -13860
14 -33461
15 -80782
16 -195025
17 -470832
18 -1136689
19 -2744210
20 -6625109
21 -15994428
22 -38613965
23 -93222358
24 -225058681
25 -543339720
26 -1311738121
27 -3166815962
28 -7645370045

[1,0,-1,-2,-5,-12,-29,-70,-169,-408,-985,-2378,
 -5741,-13860,-33461,-80782,-195025,-470832,
 -1136689,-2744210,-6625109,-15994428,-38613965,
 -93222358,-225058681,-543339720,-1311738121,
 -3166815962,-7645370045]

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Last modified April 23 11:35 EDT 2024. Contains 371912 sequences. (Running on oeis4.)