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A042221 as a simple table

n a(n)
0 1
1 4
2 5
3 9
4 32
5 105
6 1292
7 3981
8 13235
9 17216
10 30451
11 139020
12 6981451
13 28064824
14 35046275
15 63111099
16 224379572
17 736249815
18 9059377352
19 27914381871
20 92802522965
21 120716904836
22 213519427801
23 974794616040
24 48953250229801
25 196787795535244

[1,4,5,9,32,105,1292,3981,13235,17216,30451,
 139020,6981451,28064824,35046275,63111099,
 224379572,736249815,9059377352,27914381871,
 92802522965,120716904836,213519427801,
 974794616040,48953250229801,196787795535244]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)