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A090023 as a simple table

n a(n)
0 0
1 1
2 37
3 415
4 3745
5 31471
6 257257
7 2078455
8 16704865
9 133935391
10 1072633177
11 8585561095
12 68702163985
13 549687102511
14 4397773276297
15 35183283965335
16 281470638631105
17 2251782504544831
18 18014329402322617
19 144114912035163175
20 1152920401607386225 

[0,1,37,415,3745,31471,257257,2078455,16704865,
 133935391,1072633177,8585561095,68702163985,
 549687102511,4397773276297,35183283965335,
 281470638631105,2251782504544831,
 18014329402322617,144114912035163175,
 1152920401607386225]

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Last modified April 24 15:18 EDT 2024. Contains 371960 sequences. (Running on oeis4.)