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A055203 as a simple table

n a(n)
0 1
1 1
2 13
3 409
4 23917
5 2244361
6 308682013
7 58514835289
8 14623910308237
9 4659168491711401
10 1843200116875263613
11 886470355671907534969
12 509366445167037318008557
13 344630301458257894126724041
14 271188703889907190388528763613
15 245570692377888837925941696215449

[1,1,13,409,23917,2244361,308682013,58514835289,
 14623910308237,4659168491711401,
 1843200116875263613,886470355671907534969,
 509366445167037318008557,
 344630301458257894126724041,
 271188703889907190388528763613,
 245570692377888837925941696215449]

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Last modified April 24 13:30 EDT 2024. Contains 371957 sequences. (Running on oeis4.)