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A277420 as a simple table

n a(n)
0 1
1 7
2 194
3 9078
4 596760
5 50508120
6 5228520912
7 639915545808
8 90390815432064
9 14472947716917120
10 2590274418097708800
11 512433683486806447872
12 111036605823697437490176
13 26153418409614396515976192
14 6653213794092052464421939200
15 1817951594633556391548903168000 

[1,7,194,9078,596760,50508120,5228520912,
 639915545808,90390815432064,14472947716917120,
 2590274418097708800,512433683486806447872,
 111036605823697437490176,
 26153418409614396515976192,
 6653213794092052464421939200,
 1817951594633556391548903168000]

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Last modified June 10 07:44 EDT 2024. Contains 373253 sequences. (Running on oeis4.)