52425

Appears in sequences

• Palindromes of the form k*(k+8).at n=8A028568
• Final terms of rows of A077529.at n=14A077530
• Palindromes in A082939.at n=29A082940
• a(n) = n^2 concatenated with reverse(n^2) divided by 11.at n=24A084009
• a(n) = Sum_{k=0..n} floor(binomial(n,k)/(k+1)).at n=18A095718
• Palindromes n such that n+(product of digits of n) gives a larger palindrome.at n=18A114341
• a(n) = 3*a(n-1) + 4*a(n-2), with a(0) = 3, a(1) = 7, a(3) = 9, for n > 2.at n=8A115164
• Numbers k such that 3k-4, 3k-2, 3k+2, and 3k+4 are primes.at n=45A173092
• O.g.f.: Sum_{n>=0} x^n / Product_{k=1..n} (1 - n*k*x).at n=7A229233
• Zeroless numbers n such that n and n - (product of digits of n) are both palindromes.at n=35A229761
• Numbers k with nonzero digits such that k +/- the product of digits of k are both palindromes.at n=21A244547
• Palindromes n with nonzero digits such that n +/- the product of digits of n are both palindromes.at n=15A244548
• Palindromes of the form 4n + 1 that are divisible by 5.at n=25A256704
• Number of (n+2) X (6+2) 0..1 arrays with no 3 x 3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=9A258892
• Number of (n+2)X(3+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011.at n=9A260762
• Palindromic numbers such that the sum of the digits equals the number of divisors.at n=24A263720
• G.f.: 1/Product_{k>=1} (1 - x^(3*k^2)) * (1 - x^k).at n=37A385012