50502

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 2, 4 and 5.at n=41A136897
• a(n) = floor(2*(3/2)^n).at n=25A147788
• a(n) = round(2*(3/2)^n), using round-to-even method.at n=24A147789
• Number of (n+1)X(4+1) 0..2 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=11A237633
• Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 3.at n=32A255793
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 283", based on the 5-celled von Neumann neighborhood.at n=42A271119
• Numbers k not ending in zero that are a substring of k*(k+1).at n=13A305670