A049284 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A049284 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`1`
`6`		`2`
`7`		`4`
`8`		`7`
`9`		`13`
`10`		`24`
`11`		`43`
`12`		`78`
`13`		`140`
`14`		`251`
`15`		`452`
`16`		`812`
`17`		`1457`
`18`		`2617`
`19`		`4697`
`20`		`8428`
`21`		`15126`
`22`		`27142`
`23`		`48700`
`24`		`87384`
`25`		`156787`
`26`		`281307`
`27`		`504723`
`28`		`905562`
`29`		`1624731`
`30`		`2915039`
`31`		`5230040`
`32`		`9383505`
`33`		`16835453`
`34`		`30205347`
`35`		`54192931`
`36`		`97230224`
`37`		`174445475`
`38`		`312981054`
`39`		`561534340`
`40`		`1007475560`

[0,0,0,1,1,2,4,7,13,24,43,78,140,251,452,812,1457, 2617,4697,8428,15126,27142,48700,87384,156787, 281307,504723,905562,1624731,2915039,5230040, 9383505,16835453,30205347,54192931,97230224, 174445475,312981054,561534340,1007475560]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 15:11 EDT 2024. Contains 371794 sequences. (Running on oeis4.)