A011820 - OEIS

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A011820 as a simple table

`n`		`a(n)`
`0`		`2`
`1`		`6`
`2`		`32`
`3`		`203`
`4`		`1144`
`5`		`5345`
`6`		`20926`
`7`		`70506`
`8`		`209746`
`9`		`562727`
`10`		`1384758`
`11`		`3167606`
`12`		`6807620`
`13`		`13863904`
`14`		`26941700`
`15`		`50245591`
`16`		`90358146`
`17`		`157312324`
`18`		`266040452`
`19`		`438299013`
`20`		`705186944`
`21`		`1110395771`
`22`		`1714352818`
`23`		`2599444040`
`24`		`3876530866`

[2,6,32,203,1144,5345,20926,70506,209746,562727, 1384758,3167606,6807620,13863904,26941700, 50245591,90358146,157312324,266040452,438299013, 705186944,1110395771,1714352818,2599444040, 3876530866]

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Last modified April 19 23:40 EDT 2024. Contains 371798 sequences. (Running on oeis4.)