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A203900 as a simple table

n a(n)
1 0
2 0
3 1
4 2
5 7
6 36
7 391
8 17536
9 7520303
10 134830884224
11 1016333764230127711
12 137040823237740906153712364032
13 139279234211744145176797121311869355242595356863 

[0,0,1,2,7,36,391,17536,7520303,134830884224,
 1016333764230127711,
 137040823237740906153712364032,
 139279234211744145176797121311869355242595356863]

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Last modified September 9 07:24 EDT 2024. Contains 375762 sequences. (Running on oeis4.)