a(n) = (d(n)-r(n))/2, where d = A026049 and r is the periodic sequence with fundamental period (1,0,0,1).

A026050

a(n) = (d(n)-r(n))/2, where d = A026049 and r is the periodic sequence with fundamental period (1,0,0,1).

Terms

    a(0) =59a(1) =78a(2) =102a(3) =132a(4) =170a(5) =217a(6) =273a(7) =339a(8) =417a(9) =508a(10) =612a(11) =730a(12) =864a(13) =1015a(14) =1183a(15) =1369a(16) =1575a(17) =1802a(18) =2050a(19) =2320a(20) =2614a(21) =2933a(22) =3277a(23) =3647a(24) =4045a(25) =4472a(26) =4928a(27) =5414a(28) =5932a(29) =6483

External references