a(n) = Sum_{i=1..n} (A077068(i) - A077065(i)).

Terms

a(0) =0a(1) =0a(2) =4a(3) =20a(4) =36a(5) =52a(6) =128a(7) =216a(8) =328a(9) =464a(10) =636a(11) =796a(12) =908a(13) =1092a(14) =1324a(15) =1520a(16) =1716a(17) =1948a(18) =2144a(19) =2436a(20) =2716a(21) =2972a(22) =3264a(23) =3580a(24) =3812a(25) =4032a(26) =4168a(27) =4268a(28) =4416a(29) =4720