A222670 - OEIS

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A222670 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`24`
`3`		`90`
`4`		`2370`
`5`		`17696`
`6`		`426362`
`7`		`4030527`
`8`		`115311310`
`9`		`1138939624`
`10`		`33371066606`
`11`		`333504416113`
`12`		`9869885381863`
`13`		`98742842374798`
`14`		`2936314625332784`
`15`		`29380754050688425`
`16`		`877025222448714052`
`17`		`8774880700816611500`

[4,24,90,2370,17696,426362,4030527,115311310, 1138939624,33371066606,333504416113,9869885381863, 98742842374798,2936314625332784,29380754050688425, 877025222448714052,8774880700816611500]

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Last modified July 2 21:48 EDT 2022. Contains 355029 sequences. (Running on oeis4.)