A247289 - OEIS

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

A247289 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`7`
`5`		`18`
`6`		`45`
`7`		`110`
`8`		`267`
`9`		`652`
`10`		`1602`
`11`		`3960`
`12`		`9845`
`13`		`24594`
`14`		`61689`
`15`		`155270`
`16`		`391962`
`17`		`991968`
`18`		`2515964`
`19`		`6393610`
`20`		`16275174`
`21`		`41491776`
`22`		`105922244`
`23`		`270734244`
`24`		`692756227`
`25`		`1774418286`
`26`		`4549173861`
`27`		`11672860634`
`28`		`29975156134`
`29`		`77029918152`
`30`		`198083586300`
`31`		`509692521982`

[0,0,0,2,7,18,45,110,267,652,1602,3960,9845,24594, 61689,155270,391962,991968,2515964,6393610, 16275174,41491776,105922244,270734244,692756227, 1774418286,4549173861,11672860634,29975156134, 77029918152,198083586300,509692521982]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)