A047974 - OEIS

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A047974 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`7`
`4`		`25`
`5`		`81`
`6`		`331`
`7`		`1303`
`8`		`5937`
`9`		`26785`
`10`		`133651`
`11`		`669351`
`12`		`3609673`
`13`		`19674097`
`14`		`113525595`
`15`		`664400311`
`16`		`4070168161`
`17`		`25330978113`
`18`		`163716695587`
`19`		`1075631907655`
`20`		`7296866339961`
`21`		`50322142646161`
`22`		`356790528924523`
`23`		`2570964805355607`
`24`		`18983329135883665`
`25`		`142389639792952801`
`26`		`1091556096587136051`

[1,1,3,7,25,81,331,1303,5937,26785,133651,669351, 3609673,19674097,113525595,664400311,4070168161, 25330978113,163716695587,1075631907655, 7296866339961,50322142646161,356790528924523, 2570964805355607,18983329135883665, 142389639792952801,1091556096587136051]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)