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A140920 as a simple table

n a(n)
0 1
1 2002
2 1002001
3 208416208
4 23029990984
5 1566039386912
6 72261531710368
7 2424984388825856
8 62305564808355232
9 1274867710694037824
10 21427584214357481888
11 303282730418598205184
12 3688967826726218553440
13 39214657989988793866400
14 369491052699789370779000

[1,2002,1002001,208416208,23029990984,
 1566039386912,72261531710368,2424984388825856,
 62305564808355232,1274867710694037824,
 21427584214357481888,303282730418598205184,
 3688967826726218553440,39214657989988793866400,
 369491052699789370779000]

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Last modified January 16 02:06 EST 2022. Contains 350374 sequences. (Running on oeis4.)