[ n/2 ]+[ n/3 ]+[ n/4 ]+[ n/7 ]+[ n/11 ]+[ n/18 ]+[ n/29 ]+[ n/47 ]+[ n/76 ]+[ n/123 ]+[ n/199 ]+... (using Lucas numbers A000032).

A038669

[ n/2 ]+[ n/3 ]+[ n/4 ]+[ n/7 ]+[ n/11 ]+[ n/18 ]+[ n/29 ]+[ n/47 ]+[ n/76 ]+[ n/123 ]+[ n/199 ]+... (using Lucas numbers A000032).

Terms

    a(0) =0a(1) =1a(2) =2a(3) =4a(4) =4a(5) =6a(6) =7a(7) =9a(8) =10a(9) =11a(10) =12a(11) =15a(12) =15a(13) =17a(14) =18a(15) =20a(16) =20a(17) =23a(18) =23a(19) =25a(20) =27a(21) =29a(22) =29a(23) =32a(24) =32a(25) =33a(26) =34a(27) =37a(28) =38a(29) =40

External references