A137223 - OEIS

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A137223 as a simple table

`n`		`a(n)`
`0`		`3`
`1`		`18`
`2`		`234`
`3`		`1110`
`4`		`15018`
`5`		`70998`
`6`		`961194`
`7`		`4543830`
`8`		`61516458`
`9`		`290805078`
`10`		`3937053354`
`11`		`18611524950`
`12`		`251971414698`
`13`		`1191137596758`
`14`		`16126170540714`
`15`		`76232806192470`
`16`		`1032074914605738`
`17`		`4878899596318038`
`18`		`66052794534767274`
`19`		`312249574164354390`

[3,18,234,1110,15018,70998,961194,4543830, 61516458,290805078,3937053354,18611524950, 251971414698,1191137596758,16126170540714, 76232806192470,1032074914605738,4878899596318038, 66052794534767274,312249574164354390]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)