198025

Appears in sequences

• a(n) = (11*n + 5)^2.at n=40A017450
• a(n+1) = a(n) + n (if n is odd), a(n+1) = a(n) * n (if n is even).at n=13A047904
• Numbers k having exactly one divisor d such that in binary representation d and k/d have the same number of 1's as k.at n=21A080026
• "Binary prime squares": squares whose binary expansions, read as decimal expansions, are primes.at n=17A108324
• Partial sums of round(Fibonacci(n)/11).at n=30A179111
• Number of n X 6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=8A207597
• Number of nX6 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 0 1 1 vertically.at n=7A208011
• Squares which have one or more occurrences of exactly six different digits.at n=17A235721
• Squares that remain squares when the repunit with the same number of digits is added.at n=6A335598