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A195970 as a simple table

n a(n)
1 1
2 9
3 24
4 67
5 244
6 1280
7 5637
8 32909
9 212185
10 1609756
11 13476199
12 134461394 

[1,9,24,67,244,1280,5637,32909,212185,1609756,
 13476199,134461394]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)