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A238306 as a simple table

n a(n)
1 256
2 1776
3 12372
4 85984
5 601408
6 4181152
7 29228452
8 203246304
9 1421071696
10 9880770000
11 69080413972
12 480334502816
13 3358287402480
14 23350820066560
15 163257404108900
16 1135164126221856
17 7936527281285216
18 55184332702741168

[256,1776,12372,85984,601408,4181152,29228452,
 203246304,1421071696,9880770000,69080413972,
 480334502816,3358287402480,23350820066560,
 163257404108900,1135164126221856,7936527281285216,
 55184332702741168]

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Last modified December 8 14:51 EST 2022. Contains 358695 sequences. (Running on oeis4.)