70759

Appears in sequences

• a(0) = 0. For n > 0, smallest non-palindromic number k such that the smallest palindrome in the Reverse and Add! trajectory of k is reached after exactly n iterations.at n=47A023109
• a(n) = (7*n^3 + 6*n^2 + 5*n) / 6.at n=39A101165
• Numbers k that are the products of two distinct primes such that 2*k-1, 4*k-3, 8*k-7, 16*k-15, 32*k-31 and 64*k-63 are also products of two distinct primes.at n=29A177215
• a(n) is the first number k such that the continued fraction for prime(k)/k has length n.at n=19A368882