A204504 - OEIS

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A204504 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`4`
`6`		`36`
`7`		`144`
`8`		`1225`
`9`		`4900`
`10`		`41616`
`11`		`166464`
`12`		`1413721`
`13`		`5654884`
`14`		`48024900`
`15`		`192099600`
`16`		`1631432881`
`17`		`6525731524`
`18`		`55420693056`
`19`		`221682772224`
`20`		`1882672131025`
`21`		`7530688524100`
`22`		`63955431761796`
`23`		`255821727047184`
`24`		`2172602007770041`
`25`		`8690408031080164`
`26`		`73804512832419600`

[0,0,0,1,4,36,144,1225,4900,41616,166464,1413721, 5654884,48024900,192099600,1631432881,6525731524, 55420693056,221682772224,1882672131025, 7530688524100,63955431761796,255821727047184, 2172602007770041,8690408031080164, 73804512832419600]

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Last modified May 9 11:57 EDT 2024. Contains 372350 sequences. (Running on oeis4.)