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A266136 as a simple table

n a(n)
1 1
2 544
3 9083
4 19750
5 326145
6 13689944
7 325554385
8 3901509248
9 74115297377
10 2013995093008
11 45630856227503
12 832426433462416

[1,544,9083,19750,326145,13689944,325554385,
 3901509248,74115297377,2013995093008,
 45630856227503,832426433462416]

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Last modified December 5 17:08 EST 2021. Contains 349557 sequences. (Running on oeis4.)