Let u, v be binary vectors of length n, let f(u,v) be length of longest carry propagation when we form the binary sum u+v; then a(n) = Sum_{u,v} f(u,v).
A192054
Let u, v be binary vectors of length n, let f(u,v) be length of longest carry propagation when we form the binary sum u+v; then a(n) = Sum_{u,v} f(u,v).
Terms
- a(0) =0a(1) =1a(2) =9a(3) =57a(4) =307a(5) =1517a(6) =7103a(7) =32117a(8) =141711a(9) =614429a(10) =2629495a(11) =11141893a(12) =46846671a(13) =195760429a(14) =813970695a(15) =3370693013a(16) =13910890431a(17) =57246635581a(18) =235011903671a(19) =962772769829
External references
- oeis: A192054