41614

Appears in sequences

• Palindromes that start with 4.at n=38A043039
• Palindromic even squarefree numbers with an even number of distinct prime factors.at n=35A075811
• Palindromic even numbers with exactly 2 prime factors (counted with multiplicity). Equivalently, palindromic numbers of the form 2*p with p prime.at n=24A075813
• Smallest squarefree integer k such that Q(sqrt(k)) has class number n.at n=38A081363
• a(n) = n^3 - n^2 - n - 1.at n=35A083074
• Palindromes in which the sum of the internal digits = the sum of the external digits.at n=23A088285
• Engel series expansion for Sierpinski's constant.at n=11A108905
• Palindromic numbers that contain the sum of their digits as a substring.at n=35A121939
• Number of set multipartitions (multisets of sets) of strongly normal multisets of size n, where a finite multiset is strongly normal if it covers an initial interval of positive integers with weakly decreasing multiplicities.at n=9A330783
• Palindromes that can be written in more than one way as the sum of two distinct palindromic primes.at n=27A356854
• Palindromes that can be written in more than one way as the sum of two palindromic primes.at n=30A356881
• Semiprime numbers that are sandwiched between products of exactly 4 distinct primes (or tetraprimes).at n=0A375964
• a(n) is the number of ways to write prime(n) as a sum of distinct composites.at n=31A381251