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A328694 as a simple table

n a(n)
1 1
2 4
3 27
4 257
5 3156
6 47442
7 843352
8 17300943
9 402210240
10 10448526896
11 299925224064
12 9426724628301
13 321959469056512
14 11872685912032350
15 470132249600142336
16 19895288956008203963
17 896055382220853362688
18 42793946679993786078108
19 2160123874888094765056000

[1,4,27,257,3156,47442,843352,17300943,402210240,
 10448526896,299925224064,9426724628301,
 321959469056512,11872685912032350,
 470132249600142336,19895288956008203963,
 896055382220853362688,42793946679993786078108,
 2160123874888094765056000]

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Last modified June 19 12:50 EDT 2021. Contains 345129 sequences. (Running on oeis4.)