A007270 - OEIS

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A007270 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`-3`
`7`		`0`
`8`		`0`
`9`		`0`
`10`		`-18`
`11`		`-18`
`12`		`42`
`13`		`0`
`14`		`-135`
`15`		`-270`
`16`		`477`
`17`		`648`
`18`		`-1980`
`19`		`-2988`
`20`		`4140`
`21`		`14052`
`22`		`-21690`
`23`		`-52920`
`24`		`55020`
`25`		`201852`
`26`		`-162774`
`27`		`-914538`
`28`		`555750`
`29`		`3229524`
`30`		`-1188327`
`31`		`-13301370`
`32`		`1402686`
`33`		`52334268`
`34`		`95751`
`35`		`-195398208`
`36`		`761838084`
`37`		`359664885`
`38`		`-2910516786`
`39`		`-1946958399`
`40`		`10681132140`
`41`		`10207745148`
`42`		`-40522674258`

[1,0,0,0,0,0,-3,0,0,0,-18,-18,42,0,-135,-270,477, 648,-1980,-2988,4140,14052,-21690,-52920,55020, 201852,-162774,-914538,555750,3229524,-1188327, -13301370,1402686,52334268,95751,-195398208, 761838084,359664885,-2910516786,-1946958399, 10681132140,10207745148,-40522674258]

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Last modified April 19 17:39 EDT 2024. Contains 371797 sequences. (Running on oeis4.)