A023942 - OEIS

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A023942 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`17400`
`3`		`645120`
`4`		`8699640`
`5`		`64266240`
`6`		`334145760`
`7`		`1327902720`
`8`		`4450873080`
`9`		`12747325440`
`10`		`33162177744`
`11`		`77585418240`
`12`		`171110020320`
`13`		`348920586240`
`14`		`685157000640`
`15`		`1264980234240`
`16`		`2278793539320`
`17`		`3901915054080`

[1,0,17400,645120,8699640,64266240,334145760, 1327902720,4450873080,12747325440,33162177744, 77585418240,171110020320,348920586240, 685157000640,1264980234240,2278793539320, 3901915054080]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)