A073420 - OEIS

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A073420 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`-1`
`3`		`-1`
`4`		`0`
`5`		`-2`
`6`		`-4`
`7`		`-4`
`8`		`-8`
`9`		`-10`
`10`		`-17`
`11`		`-10`
`12`		`6`
`13`		`45`
`14`		`260`
`15`		`604`
`16`		`1285`
`17`		`3329`
`18`		`6755`
`19`		`12550`
`20`		`25790`
`21`		`46302`
`22`		`75922`
`23`		`129739`
`24`		`188164`
`25`		`215880`
`26`		`177637`
`27`		`-208052`
`28`		`-1480885`
`29`		`-4563499`
`30`		`-11984644`
`31`		`-28275270`
`32`		`-61059278`
`33`		`-126088969`
`34`		`-248020723`
`35`		`-462216478`
`36`		`-823834918`
`37`		`-1383451194`
`38`		`-2136524063`

[1,-1,-1,-1,0,-2,-4,-4,-8,-10,-17,-10,6,45,260, 604,1285,3329,6755,12550,25790,46302,75922,129739, 188164,215880,177637,-208052,-1480885,-4563499, -11984644,-28275270,-61059278,-126088969, -248020723,-462216478,-823834918,-1383451194, -2136524063]

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Last modified September 15 02:42 EDT 2024. Contains 375930 sequences. (Running on oeis4.)