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A189780 as a simple table

n a(n)
0 1
1 1
2 2
3 7
4 32
5 189
6 1328
7 11019
8 104064
9 1111641
10 13166592
11 172006671
12 2448559104
13 37814647701
14 628513744896
15 11201565483219
16 212867324706816
17 4299987047933745 

[1,1,2,7,32,189,1328,11019,104064,1111641,
 13166592,172006671,2448559104,37814647701,
 628513744896,11201565483219,212867324706816,
 4299987047933745]

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Last modified April 19 09:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)