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A253813 as a simple table

n a(n)
1 512
2 2700
3 12680
4 47816
5 178752
6 618856
7 2201616
8 7686444
9 27456624
10 97621664
11 351178392
12 1260927472
13 4551240904
14 16412577588
15 59322609368
16 214326499116
17 775118000256
18 2802669569216
19 10138358665920
20 36671008548568 

[512,2700,12680,47816,178752,618856,2201616,
 7686444,27456624,97621664,351178392,1260927472,
 4551240904,16412577588,59322609368,214326499116,
 775118000256,2802669569216,10138358665920,
 36671008548568]

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Last modified June 6 23:38 EDT 2024. Contains 373136 sequences. (Running on oeis4.)