45354

Appears in sequences

• Numbers k such that sigma(k+2) = sigma(k).at n=40A007373
• Solve 2^n - 2 = 7(x^2 - x) + (y^2 - y) for (x,y) with x>0, y>0; a(n) = value of y.at n=30A076631
• a(n+3) = 2a(n+2) - 3a(n+1) + 2a(n); a(0) = 1, a(1) = -1, a(2) = -2.at n=30A105225
• Palindromic admirable numbers.at n=16A109759
• Palindromes that can be written in more than one way as the sum of two distinct palindromic primes.at n=39A356854