A053454 - OEIS

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A053454 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`12`
`4`		`53`
`5`		`237`
`6`		`1306`
`7`		`7537`
`8`		`47913`
`9`		`322253`
`10`		`2297874`
`11`		`17191216`
`12`		`134505656`
`13`		`1095715055`
`14`		`9267223594`
`15`		`81162609328`
`16`		`734511656413`
`17`		`6856030049629`
`18`		`65899370570285`
`19`		`651338242941020`
`20`		`6611459646337423`
`21`		`68842439737228261`

[1,1,4,12,53,237,1306,7537,47913,322253,2297874, 17191216,134505656,1095715055,9267223594, 81162609328,734511656413,6856030049629, 65899370570285,651338242941020,6611459646337423, 68842439737228261]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)