71712

Appears in sequences

• Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 25 (most significant digit on right and removing all least significant zeros before concatenation).at n=16A029542
• Multiplicity of highest weight (or singular) vectors associated with character chi_122 of Monster module.at n=44A034510
• 1/20 of the number of (n+1) X 4 0..4 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease.at n=6A183713
• 1/20 of the number of (n+1) X 8 0..4 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease.at n=2A183717
• T(n,k) = 1/20 of the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease.at n=38A183719
• T(n,k) = 1/20 of the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease.at n=42A183719
• sigma(n) is an additive inverse of n modulo phi(n).at n=19A235989
• Members of A014574 with sum of prime factors (with multiplicity) also in A014574.at n=40A349455
• a(n) = Sum_{k=0..floor(n/3)} 2^k * 3^(n-3*k) * binomial(k,n-3*k)^2.at n=19A387479