46064

Appears in sequences

• Palindromic integers > 0, whose 'Reverse and Add!' trajectory (presumably) does not lead to another palindrome.at n=23A070001
• Biquadrateful (i.e., not biquadrate-free) palindromes.at n=30A133514
• Number of 3:4:5 proportioned triangles on a (n+1)X(n+1) grid.at n=27A189972
• a(n) is the smallest number k such that k occurs in the Reverse-and-Add trajectories of exactly n positive integers less than k.at n=38A355548
• Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 2 + 3*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2*x - x^2.at n=41A367297