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A138914 as a simple table

n a(n)
1 1
2 1
3 12
4 390
5 18304
6 1071862
7 73349996
8 5661162666
9 482252816998
10 44704184452202
11 4465265748489708
12 477159108766899654
13 54255973609630750372
14 6536766146592886952548
15 831617552461457925554152 

[1,1,12,390,18304,1071862,73349996,5661162666,
 482252816998,44704184452202,4465265748489708,
 477159108766899654,54255973609630750372,
 6536766146592886952548,831617552461457925554152]

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Last modified April 16 16:13 EDT 2024. Contains 371749 sequences. (Running on oeis4.)