A172131 - OEIS

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A172131 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`2`
`5`		`4`
`6`		`8`
`7`		`13`
`8`		`20`
`9`		`29`
`10`		`40`
`11`		`53`
`12`		`69`
`13`		`87`
`14`		`108`
`15`		`133`
`16`		`161`
`17`		`193`
`18`		`229`
`19`		`269`
`20`		`313`
`21`		`362`
`22`		`415`
`23`		`473`
`24`		`537`
`25`		`606`
`26`		`681`
`27`		`762`
`28`		`849`
`29`		`942`
`30`		`1042`
`31`		`1148`
`32`		`1261`
`33`		`1382`
`34`		`1510`
`35`		`1646`
`36`		`1790`
`37`		`1942`
`38`		`2102`
`39`		`2271`
`40`		`2448`
`41`		`2634`
`42`		`2830`
`43`		`3035`
`44`		`3250`
`45`		`3475`
`46`		`3710`
`47`		`3955`
`48`		`4211`
`49`		`4477`
`50`		`4754`

[0,0,0,1,2,4,8,13,20,29,40,53,69,87,108,133,161, 193,229,269,313,362,415,473,537,606,681,762,849, 942,1042,1148,1261,1382,1510,1646,1790,1942,2102, 2271,2448,2634,2830,3035,3250,3475,3710,3955,4211, 4477,4754]

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Last modified June 19 19:50 EDT 2013. Contains 226416 sequences.