A221307 - OEIS

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A221307 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`90`
`3`		`0`
`4`		`38146`
`5`		`0`
`6`		`19642342`
`7`		`0`
`8`		`9842336697`
`9`		`0`
`10`		`4907450696408`
`11`		`0`
`12`		`2441328266555768`
`13`		`0`
`14`		`1213489893520857350`
`15`		`0`
`16`		`602992641919618581949`
`17`		`0`
`18`		`299597420150822374508346`
`19`		`0`
`20`		`148848899893861061853934856`
`21`		`0`

[0,90,0,38146,0,19642342,0,9842336697,0, 4907450696408,0,2441328266555768,0, 1213489893520857350,0,602992641919618581949,0, 299597420150822374508346,0, 148848899893861061853934856,0]

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Last modified March 21 22:04 EDT 2023. Contains 361411 sequences. (Running on oeis4.)