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A267907 as a simple table

n a(n)
1 4
2 96
3 2304
4 43972
5 754852
6 12017350
7 181535822
8 2638824216
9 37263580006
10 514648921140
11 6985835894832
12 93540620739538
13 1238999184320608
14 16269402566811754
15 212148448282604414
16 2750808905345217294

[4,96,2304,43972,754852,12017350,181535822,
 2638824216,37263580006,514648921140,6985835894832,
 93540620739538,1238999184320608,16269402566811754,
 212148448282604414,2750808905345217294]

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Last modified February 3 17:00 EST 2023. Contains 360044 sequences. (Running on oeis4.)