52100

Appears in sequences

• Number of 2's in n-th term of A022470.at n=42A022473
• Numbers n such that (i) the largest prime factor of n is not a palindrome and (ii) the sum of the factorials of the digits of n is equal to the largest prime factor of n reversed.at n=19A074301
• Numbers m such that the sum of the factorials of their digits is equal to the reversal of m.at n=3A101702
• Let f(k) denote the largest prime factor of k which is not a palindrome. Sequence gives numbers k such that the sum of the factorials of the digits of k is equal to f(k) reversed.at n=19A111185
• Central coefficients of triangle A096815.at n=12A212421
• Numbers k whose reversal divides the reversal of k+1.at n=21A250602
• Numbers k such that Bernoulli number B_{k} has denominator 33330.at n=18A295589
• a(n) = the fractional part of 1 / A003592(n) read backwards.at n=27A299025