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A143558 as a simple table

n a(n)
0 1
1 1
2 10
3 50
4 570
5 4450
6 56202
7 501970
8 6676410
9 63799490
10 875391370
11 8715058802
12 122088479930
13 1249437863970
14 17764858122250
15 185445650940690
16 2666213981716282
17 28252030821781890
18 409717783914784010

[1,1,10,50,570,4450,56202,501970,6676410,63799490,
 875391370,8715058802,122088479930,1249437863970,
 17764858122250,185445650940690,2666213981716282,
 28252030821781890,409717783914784010]

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Last modified July 18 04:59 EDT 2024. Contains 374377 sequences. (Running on oeis4.)