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A279980 as a simple table

n a(n)
1 0
2 31
3 296
4 1922
5 10491
6 50690
7 226771
8 963728
9 3941732
10 15655280
11 60749739
12 231325874
13 867192006
14 3208394065
15 11737643962
16 42526452550
17 152777627539
18 544782076812
19 1929805835927
20 6795769111934
21 23804414728200
22 82983605105905

[0,31,296,1922,10491,50690,226771,963728,3941732,
 15655280,60749739,231325874,867192006,3208394065,
 11737643962,42526452550,152777627539,544782076812,
 1929805835927,6795769111934,23804414728200,
 82983605105905]

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Last modified April 25 12:15 EDT 2024. Contains 371969 sequences. (Running on oeis4.)