A020709 - OEIS

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A020709 as a simple table

`n`		`a(n)`
`0`		`4`
`1`		`10`
`2`		`25`
`3`		`63`
`4`		`159`
`5`		`401`
`6`		`1011`
`7`		`2549`
`8`		`6427`
`9`		`16205`
`10`		`40859`
`11`		`103021`
`12`		`259755`
`13`		`654941`
`14`		`1651355`
`15`		`4163693`
`16`		`10498251`
`17`		`26470077`
`18`		`66741115`
`19`		`168279693`
`20`		`424297003`
`21`		`1069813853`
`22`		`2697406939`
`23`		`6801187117`
`24`		`17148375179`
`25`		`43237565181`
`26`		`109018319419`
`27`		`274876578253`
`28`		`693068226283`

[4,10,25,63,159,401,1011,2549,6427,16205,40859, 103021,259755,654941,1651355,4163693,10498251, 26470077,66741115,168279693,424297003,1069813853, 2697406939,6801187117,17148375179,43237565181, 109018319419,274876578253,693068226283]

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Last modified May 14 17:50 EDT 2024. Contains 372533 sequences. (Running on oeis4.)