A022745 - OEIS

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A022745 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`21`
`2`		`273`
`3`		`2716`
`4`		`22659`
`5`		`165984`
`6`		`1098615`
`7`		`6695559`
`8`		`38085117`
`9`		`204218630`
`10`		`1040291595`
`11`		`5064987207`
`12`		`23686610269`
`13`		`106828575357`
`14`		`466231753944`
`15`		`1974651627802`
`16`		`8136148603086`
`17`		`32681975601387`
`18`		`128221943065839`

[1,21,273,2716,22659,165984,1098615,6695559, 38085117,204218630,1040291595,5064987207, 23686610269,106828575357,466231753944, 1974651627802,8136148603086,32681975601387, 128221943065839]

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)