A019481 - OEIS

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A019481 as a simple table

`n`		`a(n)`
`0`		`4`
`1`		`12`
`2`		`37`
`3`		`115`
`4`		`358`
`5`		`1115`
`6`		`3473`
`7`		`10818`
`8`		`33697`
`9`		`104963`
`10`		`326950`
`11`		`1018419`
`12`		`3172281`
`13`		`9881362`
`14`		`30779529`
`15`		`95875387`
`16`		`298642966`
`17`		`930245227`
`18`		`2897627873`
`19`		`9025842914`
`20`		`28114666161`
`21`		`87574585651`
`22`		`272786737286`
`23`		`849705465187`
`24`		`2646753961545`
`25`		`8244393875250`

[4,12,37,115,358,1115,3473,10818,33697,104963, 326950,1018419,3172281,9881362,30779529,95875387, 298642966,930245227,2897627873,9025842914, 28114666161,87574585651,272786737286,849705465187, 2646753961545,8244393875250]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)