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A233910 as a simple table

n a(n)
1 160
2 640
3 2440
4 9612
5 36976
6 145004
7 559736
8 2189924
9 8470344
10 33088100
11 128155456
12 500055876
13 1938715672
14 7558416852
15 29325538832
16 114258452900
17 443550616168
18 1727342374724
19 6708320872096
20 26115152683348
21 101452849075768

[160,640,2440,9612,36976,145004,559736,2189924,
 8470344,33088100,128155456,500055876,1938715672,
 7558416852,29325538832,114258452900,443550616168,
 1727342374724,6708320872096,26115152683348,
 101452849075768]

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Last modified December 8 00:04 EST 2021. Contains 349590 sequences. (Running on oeis4.)