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A068027 as a simple table

n a(n)
1 1
2 2047
3 88573
4 2794155
5 12207031
6 217414561
7 329554457
8 3269560515
9 5883904390
10 27757433067
11 28531167061
12 323579719281
13 149346699503
14 726383654349
15 1158434219878
16 3571013994483
17 2141993519227
18 15288525998824 

[1,2047,88573,2794155,12207031,217414561,
 329554457,3269560515,5883904390,27757433067,
 28531167061,323579719281,149346699503,
 726383654349,1158434219878,3571013994483,
 2141993519227,15288525998824]

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Last modified May 16 13:17 EDT 2024. Contains 372552 sequences. (Running on oeis4.)