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A209551 as a simple table

n a(n)
1 1909
2 90186
3 3901194
4 174401424
5 7751834609
6 345350598642
7 15380031974285
8 685056630399243
9 30513075478492148
10 1359098254767356166
11 60536202458667509812
12 2696372582587335783278
13 120100441888134027505702

[1909,90186,3901194,174401424,7751834609,
 345350598642,15380031974285,685056630399243,
 30513075478492148,1359098254767356166,
 60536202458667509812,2696372582587335783278,
 120100441888134027505702]

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Last modified May 21 09:19 EDT 2022. Contains 353908 sequences. (Running on oeis4.)