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A250900 as a simple table

n a(n)
1 125
2 431
3 1325
4 3867
5 11029
6 31215
7 88421
8 251819
9 722525
10 2089551
11 6088189
12 17854683
13 52646213
14 155906639
15 463263029
16 1380089259
17 4119295693
18 12312797679
19 36841923341
20 110320248347
21 330524536565
22 990650861871
23 2970006427525 

[125,431,1325,3867,11029,31215,88421,251819,
 722525,2089551,6088189,17854683,52646213,
 155906639,463263029,1380089259,4119295693,
 12312797679,36841923341,110320248347,330524536565,
 990650861871,2970006427525]

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Last modified May 10 11:28 EDT 2024. Contains 372387 sequences. (Running on oeis4.)