48999

Appears in sequences

• "CFK" (necklace, size, unlabeled) transform of 2,1,1,1...at n=35A032140
• a(n) = 40*n^2 - 1.at n=34A158598
• Least semiprime whose digital sum is n, or 0 if no such integer exists.at n=39A213653
• The semiprimes which set new records for the sum of their decimal digits.at n=27A257652
• The sum of the prime digits of m and the sum of the nonprime digits of m differ by n.at n=38A341161
• a(n) is the first member of A106843 with sum of digits n.at n=37A361831
• a(n) is the smallest positive k such that the digit sums of k and k + 1 are both divisible by n, or -1 if no such pair exists.at n=12A378119
• Number of ways for n competitors to rank in a competition in which each match has 4 possible outcomes in which each competitor gains 0, 1, 2 or 3 points.at n=7A381975