50205

Appears in sequences

• Numbers that are palindromic and divisible by 5.at n=25A043040
• Trajectory of 77 under the Reverse and Add! operation carried out in base 2.at n=16A075253
• Triangle read by rows in which row n gives n smallest n-digit multiples of n that are palindromes.at n=12A084024
• Average of n-th row of A084024.at n=4A084028
• Numbers k such that k and k^2 use only the digits 0, 2, 4 and 5.at n=38A136897
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 5 and 7.at n=55A136899
• a(n) = 6*a(n-1)-8*a(n-2)-9 for n > 2; a(0) = 77, a(1) = 897, a(2) = 3333.at n=4A176632
• Number of length 3+1 0..n arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.at n=27A250420
• Palindromes of the form 4n + 1 that are divisible by 5.at n=13A256704
• Expansion of Sum_{0<i<j<k<l<m} q^(i+j+k+l+m)/( (1-q^i)*(1-q^j)*(1-q^k)*(1-q^l)*(1-q^m) )^2.at n=18A365665