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A197448 as a simple table

n a(n)
1 11
2 321
3 15410
4 585194
5 23829080
6 982926107
7 40087361395
8 1640477445822
9 67160665746869
10 2747685400705119
11 112433629005651948
12 4600917175526994358
13 188267595598497672073
14 7703877269427034462338
15 315242428170240015474340

[11,321,15410,585194,23829080,982926107,
 40087361395,1640477445822,67160665746869,
 2747685400705119,112433629005651948,
 4600917175526994358,188267595598497672073,
 7703877269427034462338,315242428170240015474340]

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Last modified September 18 13:34 EDT 2020. Contains 337169 sequences. (Running on oeis4.)