Sum_{i=1..n} Sum_{j=1..n} (i OR j), where OR is the binary logical OR operator.

Terms

a(0) =0a(1) =1a(2) =9a(3) =24a(4) =64a(5) =117a(6) =189a(7) =280a(8) =456a(9) =657a(10) =889a(11) =1152a(12) =1464a(13) =1813a(14) =2205a(15) =2640a(16) =3376a(17) =4161a(18) =5001a(19) =5896a(20) =6864a(21) =7893a(22) =8989a(23) =10152a(24) =11448a(25) =12817a(26) =14265a(27) =15792a(28) =17416a(29) =19125