A197981 - OEIS

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A197981 as a simple table

`n`		`a(n)`
`1`		`9`
`2`		`272`
`3`		`14408`
`4`		`1081730`
`5`		`104985728`
`6`		`12487616539`
`7`		`1758172862980`
`8`		`285903205720512`
`9`		`52725376090628155`
`10`		`10872393464815690144`
`11`		`2478802987043990078456`
`12`		`619122710473385614426210`
`13`		`168115507427305189329095427`

[9,272,14408,1081730,104985728,12487616539, 1758172862980,285903205720512,52725376090628155, 10872393464815690144,2478802987043990078456, 619122710473385614426210, 168115507427305189329095427]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)