41890

Appears in sequences

• McKay-Thompson series of class 23A for Monster.at n=31A058570
• Variation of Stechkin's function, A055004.at n=20A062827
• (k^2)-th k-smooth number for k = prime(n).at n=25A133581
• McKay-Thompson series of class 23A for the Monster group with a(0) = 1.at n=31A134781
• Number of (n+2)X(2+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7.at n=8A252272
• Nonprime numbers k such that sigma(k) - Sum_{j=1..m}{sigma(k) mod d_j} | k, where d_j is one of the m divisors of k.at n=7A282774
• Distinct values of A378664(k) in the order of appearance, when k ranges over those primitively abundant numbers k for which A378664(k) is less than the largest proper divisor of k.at n=35A378740