A001156 - OEIS

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A001156 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`2`
`6`		`2`
`7`		`2`
`8`		`3`
`9`		`4`
`10`		`4`
`11`		`4`
`12`		`5`
`13`		`6`
`14`		`6`
`15`		`6`
`16`		`8`
`17`		`9`
`18`		`10`
`19`		`10`
`20`		`12`
`21`		`13`
`22`		`14`
`23`		`14`
`24`		`16`
`25`		`19`
`26`		`20`
`27`		`21`
`28`		`23`
`29`		`26`
`30`		`27`
`31`		`28`
`32`		`31`
`33`		`34`
`34`		`37`
`35`		`38`
`36`		`43`
`37`		`46`
`38`		`49`
`39`		`50`
`40`		`55`
`41`		`60`
`42`		`63`
`43`		`66`
`44`		`71`
`45`		`78`
`46`		`81`
`47`		`84`
`48`		`90`
`49`		`98`
`50`		`104`
`51`		`107`
`52`		`116`
`53`		`124`
`54`		`132`
`55`		`135`
`56`		`144`
`57`		`154`
`58`		`163`
`59`		`169`
`60`		`178`
`61`		`192`
`62`		`201`
`63`		`209`
`64`		`220`
`65`		`235`
`66`		`247`
`67`		`256`

[1,1,1,1,2,2,2,2,3,4,4,4,5,6,6,6,8,9,10,10,12,13, 14,14,16,19,20,21,23,26,27,28,31,34,37,38,43,46, 49,50,55,60,63,66,71,78,81,84,90,98,104,107,116, 124,132,135,144,154,163,169,178,192,201,209,220, 235,247,256]

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Last modified December 5 13:14 EST 2023. Contains 367591 sequences. (Running on oeis4.)