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A133309 as a simple table

n a(n)
0 1
1 9
2 153
3 3249
4 77265
5 1968633
6 52546473
7 1450365921
8 41058670113
9 1185580310121
10 34783088255289
11 1033907690362257
12 31070005849929969
13 942384250116160857
14 28812102048874578249
15 887007207177728561601
16 27473495809057571051073
17 855518113376312857290441

[1,9,153,3249,77265,1968633,52546473,1450365921,
 41058670113,1185580310121,34783088255289,
 1033907690362257,31070005849929969,
 942384250116160857,28812102048874578249,
 887007207177728561601,27473495809057571051073,
 855518113376312857290441]

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Last modified August 17 00:41 EDT 2024. Contains 375198 sequences. (Running on oeis4.)