Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; the n-th Fibonacci number is in antidiagonal a(n).

A057042

Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; the n-th Fibonacci number is in antidiagonal a(n).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =4a(6) =5a(7) =6a(8) =8a(9) =10a(10) =13a(11) =17a(12) =22a(13) =27a(14) =35a(15) =44a(16) =57a(17) =72a(18) =91a(19) =116a(20) =148a(21) =188a(22) =239a(23) =305a(24) =387a(25) =493a(26) =627a(27) =797a(28) =1014a(29) =1290

External references