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A254471 as a simple table

n a(n)
1 1
2 38
3 456
4 3210
5 16290
6 65922
7 225576
8 677742
9 1834755
10 4559620
11 10547888
12 22958364
13 47415108
14 93547260
15 177288240
16 324223524
17 574358277
18 988774554
19 1658764600
20 2718164150
21 4359769830
22 6856910190
23 10591453080
24 16089775650
25 24068499975
26 35492110056

[1,38,456,3210,16290,65922,225576,677742,1834755,
 4559620,10547888,22958364,47415108,93547260,
 177288240,324223524,574358277,988774554,
 1658764600,2718164150,4359769830,6856910190,
 10591453080,16089775650,24068499975,35492110056]

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Last modified June 15 22:50 EDT 2024. Contains 373412 sequences. (Running on oeis4.)