A026538 - OEIS

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A026538 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`6`
`5`		`13`
`6`		`33`
`7`		`65`
`8`		`180`
`9`		`346`
`10`		`990`
`11`		`1897`
`12`		`5502`
`13`		`10571`
`14`		`30863`
`15`		`59523`
`16`		`174456`
`17`		`337672`
`18`		`992304`
`19`		`1926650`
`20`		`5673140`
`21`		`11043858`
`22`		`32571858`
`23`		`63548069`
`24`		`187675644`
`25`		`366849016`
`26`		`1084649644`
`27`		`2123604927`
`28`		`6284986554`
`29`		`12322549765`
`30`		`36501029265`

[1,1,3,6,13,33,65,180,346,990,1897,5502,10571, 30863,59523,174456,337672,992304,1926650,5673140, 11043858,32571858,63548069,187675644,366849016, 1084649644,2123604927,6284986554,12322549765, 36501029265]

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)