A167422 - OEIS

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

A167422 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`3`
`3`		`7`
`4`		`19`
`5`		`56`
`6`		`174`
`7`		`561`
`8`		`1859`
`9`		`6292`
`10`		`21658`
`11`		`75582`
`12`		`266798`
`13`		`950912`
`14`		`3417340`
`15`		`12369285`
`16`		`45052515`
`17`		`165002460`
`18`		`607283490`
`19`		`2244901890`
`20`		`8331383610`
`21`		`31030387440`
`22`		`115948830660`
`23`		`434542177290`
`24`		`1632963760974`
`25`		`6151850548776`

[1,2,3,7,19,56,174,561,1859,6292,21658,75582, 266798,950912,3417340,12369285,45052515,165002460, 607283490,2244901890,8331383610,31030387440, 115948830660,434542177290,1632963760974, 6151850548776]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 17:02 EDT 2024. Contains 371962 sequences. (Running on oeis4.)