a(n)=[ n/3 ] + [ n/4 ] + [ n/7 ] + [ n/11 ] + [ n/18 ] + [ n/29 ] + [ n/47 ] + [ n/76 ] + [ n/123 ] + [ n/199 ]... (using Lucas numbers A000204).

A038668

a(n)=[ n/3 ] + [ n/4 ] + [ n/7 ] + [ n/11 ] + [ n/18 ] + [ n/29 ] + [ n/47 ] + [ n/76 ] + [ n/123 ] + [ n/199 ]... (using Lucas numbers A000204).

Terms

    a(0) =0a(1) =0a(2) =1a(3) =2a(4) =2a(5) =3a(6) =4a(7) =5a(8) =6a(9) =6a(10) =7a(11) =9a(12) =9a(13) =10a(14) =11a(15) =12a(16) =12a(17) =14a(18) =14a(19) =15a(20) =17a(21) =18a(22) =18a(23) =20a(24) =20a(25) =20a(26) =21a(27) =23a(28) =24a(29) =25

External references