35807

Appears in sequences

• Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 2,1.at n=6A037490
• k such that 2kp+1 is the first factor of a nonprime Mersenne number M(p) = 2^p - 1.at n=31A079324
• Numbers k such that sigma(k) - phi(k) is a 4th power.at n=31A115918
• Number of ways tiling a 2 X n rectangle with 2 X 1 (domino) and 3 X 1 (tromino) tiles.at n=16A129682
• Number of 0..n arrays of length 3 with 0 never adjacent to n.at n=31A212836