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A345751 as a simple table

n a(n)
0 1
1 -1
2 -2
3 -3
4 -3
5 40
6 477
7 4375
8 45154
9 486817
10 5002397
11 54970652
12 732601449
13 10046371231
14 113632306694
15 1051655108629
16 12585372336141
17 202763995934160
18 -863641466773595
19 -247388278229558697
20 -10810815349601723990
21 -311011007642247422759

[1,-1,-2,-3,-3,40,477,4375,45154,486817,5002397,
 54970652,732601449,10046371231,113632306694,
 1051655108629,12585372336141,202763995934160,
 -863641466773595,-247388278229558697,
 -10810815349601723990,-311011007642247422759]

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Last modified April 27 12:27 EDT 2024. Contains 372019 sequences. (Running on oeis4.)