A273718 - OEIS

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A273718 as a simple table

`n`		`a(n)`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`5`
`6`		`20`
`7`		`74`
`8`		`263`
`9`		`914`
`10`		`3134`
`11`		`10655`
`12`		`36023`
`13`		`121331`
`14`		`407610`
`15`		`1366926`
`16`		`4578365`
`17`		`15321750`
`18`		`51245820`
`19`		`171335458`
`20`		`572714527`
`21`		`1914159445`
`22`		`6397373996`
`23`		`21381342737`
`24`		`71465609723`
`25`		`238892470728`
`26`		`798659461590`
`27`		`2670437231049`
`28`		`8930385538663`
`29`		`29869572490093`
`30`		`99922049387230`
`31`		`334324916304050`

[0,0,1,5,20,74,263,914,3134,10655,36023,121331, 407610,1366926,4578365,15321750,51245820, 171335458,572714527,1914159445,6397373996, 21381342737,71465609723,238892470728,798659461590, 2670437231049,8930385538663,29869572490093, 99922049387230,334324916304050]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)