A020965 a(n) = Sum_{ k = 1 to infinity} floor[n * sqrt(2)^(1-k)].

1, 4, 7, 10, 12, 17, 18, 23, 26, 29, 30, 37, 39, 41, 44, 50, 54, 56, 58, 63, 64, 67, 73, 77, 79, 83, 85, 88, 92, 95, 96, 104, 106, 112, 113, 117, 120, 122, 124, 131, 132, 135, 138, 142, 143, 151, 153, 158, 161, 164, 168, 171, 173, 177, 178, 183, 188, 191, 192, 197