A221406 - OEIS

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A221406 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`120`
`3`		`0`
`4`		`47156`
`5`		`0`
`6`		`18852560`
`7`		`0`
`8`		`7505597654`
`9`		`0`
`10`		`2984164922226`
`11`		`0`
`12`		`1185951960926210`
`13`		`0`
`14`		`471249297474390114`
`15`		`0`
`16`		`187247029623260170674`
`17`		`0`
`18`		`74400007192624944055794`
`19`		`0`
`20`		`29561675588644660921885852`
`21`		`0`

[0,120,0,47156,0,18852560,0,7505597654,0, 2984164922226,0,1185951960926210,0, 471249297474390114,0,187247029623260170674,0, 74400007192624944055794,0, 29561675588644660921885852,0]

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Last modified April 23 09:22 EDT 2024. Contains 371905 sequences. (Running on oeis4.)