A145839 - OEIS

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A145839 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`15`
`3`		`73`
`4`		`354`
`5`		`1716`
`6`		`8318`
`7`		`40320`
`8`		`195444`
`9`		`947380`
`10`		`4592256`
`11`		`22260144`
`12`		`107902088`
`13`		`523036176`
`14`		`2535324816`
`15`		`12289536016`
`16`		`59571339552`
`17`		`288761470848`
`18`		`1399719859808`
`19`		`6784893012864`
`20`		`32888561860032`
`21`		`159421452802624`
`22`		`772767131681280`
`23`		`3745851196992000`

[1,3,15,73,354,1716,8318,40320,195444,947380, 4592256,22260144,107902088,523036176,2535324816, 12289536016,59571339552,288761470848, 1399719859808,6784893012864,32888561860032, 159421452802624,772767131681280,3745851196992000]

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Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)