A156408 - OEIS

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A156408 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`20340`
`4`		`152820`
`5`		`0`
`6`		`0`
`7`		`820040`
`8`		`2771020`
`9`		`0`
`10`		`0`
`11`		`17613711`
`12`		`31103100`
`13`		`0`
`14`		`0`
`15`		`108446720`
`16`		`225908440`
`17`		`0`
`18`		`0`
`19`		`634216200`
`20`		`1150637340`
`21`		`0`
`22`		`0`
`23`		`1586451660`
`24`		`2932212900`
`25`		`0`
`26`		`0`
`27`		`6089326340`
`28`		`9256081380`
`29`		`0`
`30`		`0`
`31`		`15249568960`
`32`		`21668424870`
`33`		`0`
`34`		`0`
`35`		`33802900495`

[1,0,0,20340,152820,0,0,820040,2771020,0,0, 17613711,31103100,0,0,108446720,225908440,0,0, 634216200,1150637340,0,0,1586451660,2932212900,0, 0,6089326340,9256081380,0,0,15249568960, 21668424870,0,0,33802900495]

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Last modified June 1 11:52 EDT 2023. Contains 363068 sequences. (Running on oeis4.)