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A300045 as a simple table

n a(n)
0 1
1 1
2 2
3 12
4 312
5 37008
6 18540576
7 37740977856
8 308640640553856
9 10108585206574665984
10 1324770391254109154738688
11 694534718011481157528342678528
12 1456529592308544539096599988734998528
13 12218220833015817164679410893774265189240832
14 409975142427307559856983482397439860805077724831744
15 55025920673752295414026066407280263168555174442226420465664

[1,1,2,12,312,37008,18540576,37740977856,
 308640640553856,10108585206574665984,
 1324770391254109154738688,
 694534718011481157528342678528,
 1456529592308544539096599988734998528,
 12218220833015817164679410893774265189240832,
 40997514242730755985698348239743986080507772483174\
 4,
 55025920673752295414026066407280263168555174442226\
 420465664]

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)