128406

Appears in sequences

• Numbers k for which A064380(k) = k/2.at n=38A185078
• Number of 3Xn 0..1 arrays with every element equal to 0, 1, 2, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=12A303183
• Numbers k such that iphi(k) divides k, where iphi is the infinitary Euler phi function (A064380).at n=39A373057