A189286 - OEIS

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A189286 as a simple table

`n`		`a(n)`
`0`		`-1`
`1`		`40`
`2`		`696`
`3`		`23408`
`4`		`969496`
`5`		`44602560`
`6`		`2187147600`
`7`		`111957721920`
`8`		`5911097451480`
`9`		`319469892415808`
`10`		`17584481176101952`
`11`		`982222958294603040`
`12`		`55530668360895219728`
`13`		`3171318959654377396864`
`14`		`182670436050532943578560`
`15`		`10599737781026193970325760`
`16`		`619014530633087163062727000`
`17`		`36353266320338484003053582400`
`18`		`2145559172529803104937217263040`
`19`		`127190916635938933740168015020160`

[-1,40,696,23408,969496,44602560,2187147600, 111957721920,5911097451480,319469892415808, 17584481176101952,982222958294603040, 55530668360895219728,3171318959654377396864, 182670436050532943578560, 10599737781026193970325760, 619014530633087163062727000, 36353266320338484003053582400, 2145559172529803104937217263040, 127190916635938933740168015020160]

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Last modified April 20 09:04 EDT 2024. Contains 371799 sequences. (Running on oeis4.)