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A053113 as a simple table

n a(n)
0 1
1 55
2 2200
3 71500
4 2002000
5 50050000
6 1144000000
7 24310000000
8 486200000000
9 9237800000000
10 167960000000000
11 2939300000000000
12 49742000000000000
13 817190000000000000
14 13075040000000000000
15 204297500000000000000

[1,55,2200,71500,2002000,50050000,1144000000,
 24310000000,486200000000,9237800000000,
 167960000000000,2939300000000000,
 49742000000000000,817190000000000000,
 13075040000000000000,204297500000000000000]

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Last modified April 25 12:28 EDT 2024. Contains 371969 sequences. (Running on oeis4.)