A056981 - OEIS

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A056981 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`25`
`5`		`49`
`6`		`441`
`7`		`1089`
`8`		`184041`
`9`		`511225`
`10`		`5909761`
`11`		`17631601`
`12`		`863948449`
`13`		`2704312009`
`14`		`34493775625`
`15`		`111759833025`
`16`		`93990019574025`
`17`		`312541206957225`
`18`		`4201942893536025`
`19`		`14258670483605625`
`20`		`780804795682244025`

[1,1,1,1,25,49,441,1089,184041,511225,5909761, 17631601,863948449,2704312009,34493775625, 111759833025,93990019574025,312541206957225, 4201942893536025,14258670483605625, 780804795682244025]

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)