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A155018 as a simple table

n a(n)
0 0
1 1
2 181
3 3787
4 32768
5 174692
6 685700
7 2178889
8 5931641
9 14348907
10 31622776
11 64631634
12 124125023
13 226242995
14 394421215
15 661735513
16 1073741824
17 1691869691
18 2597429617
19 3896296578
20 5724334022
21 8253624572
22 11699575548
23 16328969210

[0,1,181,3787,32768,174692,685700,2178889,5931641,
 14348907,31622776,64631634,124125023,226242995,
 394421215,661735513,1073741824,1691869691,
 2597429617,3896296578,5724334022,8253624572,
 11699575548,16328969210]

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Last modified April 26 10:21 EDT 2024. Contains 371994 sequences. (Running on oeis4.)