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A248731 as a simple table

n a(n)
0 1
1 1
2 4
3 10
4 25
5 58
6 135
7 306
8 690
9 1550
10 3474
11 7776
12 17398
13 38912
14 87022
15 194598
16 435148
17 973034
18 2175785

[1,1,4,10,25,58,135,306,690,1550,3474,7776,17398,
 38912,87022,194598,435148,973034,2175785]

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Last modified April 24 15:50 EDT 2024. Contains 371961 sequences. (Running on oeis4.)