A000251 - OEIS

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

A000251 as a simple table

`n`		`a(n)`
`7`		`1`
`8`		`3`
`9`		`11`
`10`		`29`
`11`		`74`
`12`		`167`
`13`		`367`
`14`		`755`
`15`		`1515`
`16`		`2931`
`17`		`5551`
`18`		`10263`
`19`		`18677`
`20`		`33409`
`21`		`59024`
`22`		`102984`
`23`		`177915`
`24`		`304458`
`25`		`516939`
`26`		`871180`
`27`		`1458882`
`28`		`2428548`
`29`		`4021670`
`30`		`6627515`
`31`		`10874462`
`32`		`17770474`
`33`		`28932739`
`34`		`46943967`
`35`		`75925797`
`36`		`122433291`
`37`		`196879385`
`38`		`315759282`
`39`		`505168033`
`40`		`806290796`
`41`		`1284034606`
`42`		`2040485004`
`43`		`3235965074`
`44`		`5121801962`
`45`		`8091411114`
`46`		`12759606939`
`47`		`20085832527`
`48`		`31565046053`
`49`		`49523414558`
`50`		`77575278933`
`51`		`121329065354`
`52`		`189475663960`
`53`		`295465391518`
`54`		`460087656595`
`55`		`715436020515`
`56`		`1110994054004`

[1,3,11,29,74,167,367,755,1515,2931,5551,10263, 18677,33409,59024,102984,177915,304458,516939, 871180,1458882,2428548,4021670,6627515,10874462, 17770474,28932739,46943967,75925797,122433291, 196879385,315759282,505168033,806290796, 1284034606,2040485004,3235965074,5121801962, 8091411114,12759606939,20085832527,31565046053, 49523414558,77575278933,121329065354,189475663960, 295465391518,460087656595,715436020515, 1110994054004]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 6 05:43 EDT 2024. Contains 372290 sequences. (Running on oeis4.)