A140220 - OEIS

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A140220 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`40`
`2`		`900`
`3`		`15000`
`4`		`206250`
`5`		`2475000`
`6`		`26812500`
`7`		`268125000`
`8`		`2513671875`
`9`		`22343750000`
`10`		`189921875000`
`11`		`1553906250000`
`12`		`12301757812500`
`13`		`94628906250000`
`14`		`709716796875000`
`15`		`5204589843750000`
`16`		`37407989501953125`
`17`		`264056396484375000`
`18`		`1833724975585937500`
`19`		`12546539306640625000`

[1,40,900,15000,206250,2475000,26812500,268125000, 2513671875,22343750000,189921875000,1553906250000, 12301757812500,94628906250000,709716796875000, 5204589843750000,37407989501953125, 264056396484375000,1833724975585937500, 12546539306640625000]

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Last modified April 16 00:00 EDT 2024. Contains 371696 sequences. (Running on oeis4.)