A220019 - OEIS

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

A220019 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`27`
`3`		`93`
`4`		`265`
`5`		`685`
`6`		`1265`
`7`		`2005`
`8`		`2905`
`9`		`3965`
`10`		`5185`
`11`		`6565`
`12`		`8105`
`13`		`9805`
`14`		`11665`
`15`		`13685`
`16`		`15865`
`17`		`18205`
`18`		`20705`
`19`		`23365`
`20`		`26185`
`21`		`29165`
`22`		`32305`
`23`		`35605`
`24`		`39065`
`25`		`42685`
`26`		`46465`
`27`		`50405`
`28`		`54505`
`29`		`58765`
`30`		`63185`
`31`		`67765`
`32`		`72505`
`33`		`77405`
`34`		`82465`
`35`		`87685`
`36`		`93065`
`37`		`98605`
`38`		`104305`
`39`		`110165`
`40`		`116185`
`41`		`122365`
`42`		`128705`
`43`		`135205`
`44`		`141865`
`45`		`148685`

[4,27,93,265,685,1265,2005,2905,3965,5185,6565, 8105,9805,11665,13685,15865,18205,20705,23365, 26185,29165,32305,35605,39065,42685,46465,50405, 54505,58765,63185,67765,72505,77405,82465,87685, 93065,98605,104305,110165,116185,122365,128705, 135205,141865,148685]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 10:53 EDT 2024. Contains 371936 sequences. (Running on oeis4.)