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A260503 as a simple table

n a(n)
0 1
1 -2
2 -1
3 -5
4 -32
5 -253
6 -2381
7 -25912
8 -319339
9 -4388949
10 -66495386
11 -1100521327
12 -19751191053
13 -382062458174
14 -7924762051957
15 -175478462117633
16 -4132047373455024
17 -103115456926017761
18 -2718766185148876961
19 -75529218928863243200
20 -2205316818199975235447

[1,-2,-1,-5,-32,-253,-2381,-25912,-319339,
 -4388949,-66495386,-1100521327,-19751191053,
 -382062458174,-7924762051957,-175478462117633,
 -4132047373455024,-103115456926017761,
 -2718766185148876961,-75529218928863243200,
 -2205316818199975235447]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)