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A123868 as a simple table

n a(n)
1 0
2 4095
3 531440
4 16777215
5 244140624
6 2176782335
7 13841287200
8 68719476735
9 282429536480
10 999999999999
11 3138428376720
12 8916100448255
13 23298085122480
14 56693912375295
15 129746337890624
16 281474976710655
17 582622237229760
18 1156831381426175
19 2213314919066160 

[0,4095,531440,16777215,244140624,2176782335,
 13841287200,68719476735,282429536480,999999999999,
 3138428376720,8916100448255,23298085122480,
 56693912375295,129746337890624,281474976710655,
 582622237229760,1156831381426175,2213314919066160]

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Last modified May 21 04:19 EDT 2024. Contains 372720 sequences. (Running on oeis4.)