A143558 - OEIS

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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 June 12 11:43 EDT 2024. Contains 373331 sequences. (Running on oeis4.)