A019998 - OEIS

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A019998 as a simple table

`n`		`a(n)`
`0`		`2`
`1`		`4`
`2`		`7`
`3`		`14`
`4`		`87`
`5`		`110`
`6`		`178`
`7`		`1551`
`8`		`2311`
`9`		`2820`
`10`		`2862`
`11`		`5158`
`12`		`9267`
`13`		`15867`
`14`		`25023`
`15`		`34363`
`16`		`68486`
`17`		`2570490`
`18`		`4313372`
`19`		`21511363`
`20`		`22412883`
`21`		`54933234`
`22`		`66947210`
`23`		`341535842`
`24`		`995434171`
`25`		`1491645143`
`26`		`4258696422`
`27`		`26212684635`
`28`		`28500533228`

[2,4,7,14,87,110,178,1551,2311,2820,2862,5158, 9267,15867,25023,34363,68486,2570490,4313372, 21511363,22412883,54933234,66947210,341535842, 995434171,1491645143,4258696422,26212684635, 28500533228]

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Last modified May 10 22:16 EDT 2024. Contains 372388 sequences. (Running on oeis4.)