A148439 - OEIS

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A148439 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`15`
`5`		`43`
`6`		`143`
`7`		`447`
`8`		`1457`
`9`		`5153`
`10`		`17712`
`11`		`62226`
`12`		`228307`
`13`		`826403`
`14`		`3045356`
`15`		`11463886`
`16`		`42915761`
`17`		`163162575`
`18`		`626421084`
`19`		`2403106726`
`20`		`9332107293`
`21`		`36397643689`
`22`		`142264226087`
`23`		`560927157537`
`24`		`2216454163673`
`25`		`8789867068979`
`26`		`35060453041676`
`27`		`140072687401512`
`28`		`561842105897395`
`29`		`2261924959908545`

[1,1,2,6,15,43,143,447,1457,5153,17712,62226, 228307,826403,3045356,11463886,42915761,163162575, 626421084,2403106726,9332107293,36397643689, 142264226087,560927157537,2216454163673, 8789867068979,35060453041676,140072687401512, 561842105897395,2261924959908545]

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Last modified August 27 00:51 EDT 2024. Contains 375462 sequences. (Running on oeis4.)