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A111968 as a simple table

n a(n)
0 1
1 9
2 325
3 17577
4 1152501
5 84505509
6 6664647781
7 553268669865
8 47710914870133
9 4236909872278509
10 385139801423145825
11 35681384898462925125
12 3358273513450241419125
13 320308335005997679093125
14 30900030366269721747776325
15 3010365811746267487293617577

[1,9,325,17577,1152501,84505509,6664647781,
 553268669865,47710914870133,4236909872278509,
 385139801423145825,35681384898462925125,
 3358273513450241419125,320308335005997679093125,
 30900030366269721747776325,
 3010365811746267487293617577]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)