Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; each k is an R(i(k),j(k)) and A057044(n)=j(L(n)), where L(n) is the n-th Lucas number.

A057044

Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; each k is an R(i(k),j(k)) and A057044(n)=j(L(n)), where L(n) is the n-th Lucas number.

Terms

    a(0) =2a(1) =1a(2) =1a(3) =3a(4) =4a(5) =5a(6) =4a(7) =8a(8) =9a(9) =3a(10) =14a(11) =12a(12) =4a(13) =8a(14) =19a(15) =15a(16) =5a(17) =85a(18) =1a(19) =105a(20) =99a(21) =56a(22) =19a(23) =183a(24) =59a(25) =150a(26) =511a(27) =250a(28) =382a(29) =36

External references