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A281186 as a simple table

n a(n)
0 1
1 3
2 15
3 132
4 1485
5 22248
6 389259
7 8252280
8 195922881
9 5374450440
10 161160732999
11 5426241074712
12 196597702744245
13 7846633439714088
14 333286781355259875
15 15383602537188087672
16 749475751265692473321
17 39275782157858062883400
18 2158712482065435156322719
19 126614778653174063332276440

[1,3,15,132,1485,22248,389259,8252280,195922881,
 5374450440,161160732999,5426241074712,
 196597702744245,7846633439714088,
 333286781355259875,15383602537188087672,
 749475751265692473321,39275782157858062883400,
 2158712482065435156322719,
 126614778653174063332276440]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)