A020309 - OEIS

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A020309 as a simple table

`n`		`a(n)`
`1`		`21`
`2`		`65`
`3`		`231`
`4`		`265`
`5`		`689`
`6`		`703`
`7`		`1241`
`8`		`3445`
`9`		`4411`
`10`		`6973`
`11`		`8421`
`12`		`12871`
`13`		`15883`
`14`		`18721`
`15`		`20191`
`16`		`22261`
`17`		`24727`
`18`		`31417`
`19`		`42127`
`20`		`44801`
`21`		`60551`
`22`		`69841`
`23`		`79003`
`24`		`82513`
`25`		`83333`
`26`		`85609`
`27`		`92631`
`28`		`98671`
`29`		`113401`
`30`		`116941`
`31`		`133141`
`32`		`136741`
`33`		`159621`
`34`		`166499`
`35`		`190513`
`36`		`191407`
`37`		`220669`

[21,65,231,265,689,703,1241,3445,4411,6973,8421, 12871,15883,18721,20191,22261,24727,31417,42127, 44801,60551,69841,79003,82513,83333,85609,92631, 98671,113401,116941,133141,136741,159621,166499, 190513,191407,220669]

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