A116421 - OEIS

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A116421 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`18`
`3`		`400`
`4`		`9800`
`5`		`254016`
`6`		`6830208`
`7`		`188457984`
`8`		`5300380800`
`9`		`151289881600`
`10`		`4369251780608`
`11`		`127394382495744`
`12`		`3743979352236032`
`13`		`110768619888640000`
`14`		`3295931587706880000`
`15`		`98555678764852838400`
`16`		`2959750227906986803200`

[0,1,18,400,9800,254016,6830208,188457984, 5300380800,151289881600,4369251780608, 127394382495744,3743979352236032, 110768619888640000,3295931587706880000, 98555678764852838400,2959750227906986803200]

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Last modified April 24 09:18 EDT 2024. Contains 371935 sequences. (Running on oeis4.)