A166587 - OEIS

This site is supported by donations to The OEIS Foundation.

A166587 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`-1`
`3`		`2`
`4`		`-4`
`5`		`9`
`6`		`-21`
`7`		`51`
`8`		`-127`
`9`		`323`
`10`		`-835`
`11`		`2188`
`12`		`-5798`
`13`		`15511`
`14`		`-41835`
`15`		`113634`
`16`		`-310572`
`17`		`853467`
`18`		`-2356779`
`19`		`6536382`
`20`		`-18199284`
`21`		`50852019`
`22`		`-142547559`
`23`		`400763223`
`24`		`-1129760415`
`25`		`3192727797`
`26`		`-9043402501`
`27`		`25669818476`
`28`		`-73007772802`

[1,1,-1,2,-4,9,-21,51,-127,323,-835,2188,-5798, 15511,-41835,113634,-310572,853467,-2356779, 6536382,-18199284,50852019,-142547559,400763223, -1129760415,3192727797,-9043402501,25669818476, -73007772802]

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

Last modified May 23 12:58 EDT 2013. Contains 225588 sequences.