a(n) = B(n) + c(n) where B(n) is Beatty sequence [ n*sqrt(2) ] and c is the complement of B.

Terms

a(0) =4a(1) =8a(2) =14a(3) =18a(4) =24a(5) =28a(6) =32a(7) =38a(8) =42a(9) =48a(10) =52a(11) =56a(12) =62a(13) =66a(14) =72a(15) =76a(16) =82a(17) =86a(18) =90a(19) =96a(20) =100a(21) =106a(22) =110a(23) =114a(24) =120a(25) =124a(26) =130a(27) =134a(28) =140a(29) =144