a(n) is the least number k such that (the binary weight of k) - (the binary weight of k^2) = n.
A356877
a(n) is the least number k such that (the binary weight of k) - (the binary weight of k^2) = n.
Terms
- a(0) =0a(1) =23a(2) =111a(3) =479a(4) =1471a(5) =6015a(6) =24319a(7) =28415a(8) =114175a(9) =457727a(10) =490495a(11) =1964031a(12) =6025215a(13) =8122367a(14) =32497663a(15) =98549759a(16) =132104191a(17) =528449535a(18) =1593769983a(19) =1862205439a(20) =7448952831a(21) =25635323903a(22) =29930291199a(23) =119721689087a(24) =411242070015a(25) =479961546751a(26) =514321285119
External references
- oeis: A356877