A001644 - OEIS

This site is supported by donations to The OEIS Foundation.

A001644 as a simple table

`n`		`a(n)`
`0`		`3`
`1`		`1`
`2`		`3`
`3`		`7`
`4`		`11`
`5`		`21`
`6`		`39`
`7`		`71`
`8`		`131`
`9`		`241`
`10`		`443`
`11`		`815`
`12`		`1499`
`13`		`2757`
`14`		`5071`
`15`		`9327`
`16`		`17155`
`17`		`31553`
`18`		`58035`
`19`		`106743`
`20`		`196331`
`21`		`361109`
`22`		`664183`
`23`		`1221623`
`24`		`2246915`
`25`		`4132721`
`26`		`7601259`
`27`		`13980895`
`28`		`25714875`
`29`		`47297029`
`30`		`86992799`
`31`		`160004703`
`32`		`294294531`
`33`		`541292033`
`34`		`995591267`
`35`		`1831177831`

[3,1,3,7,11,21,39,71,131,241,443,815,1499,2757, 5071,9327,17155,31553,58035,106743,196331,361109, 664183,1221623,2246915,4132721,7601259,13980895, 25714875,47297029,86992799,160004703,294294531, 541292033,995591267,1831177831]

Content is available under The OEIS End-User License Agreement .

Last modified May 19 00:49 EDT 2013. Contains 225428 sequences.