112200

Appears in sequences

• a(n) = n*(n + 1)*(3*n + 1).at n=33A027903
• Numbers k such that 2k+1, 4k+1, 6k+1, 8k+1 and 10k+1 are primes.at n=7A124410
• Digitally balanced numbers: ternary numbers which have the same number of 0's as 1's as 2's.at n=21A181986
• Number of inequivalent ways to color the faces of a cube using at most n colors so that no color appears more than twice.at n=12A282817
• a(n) = Product_{d|n, d<n} A019565(A003714(d)), where A003714(n) is the n-th Fibbinary number.at n=43A300834
• Triangle T(n,m) = (2*m*n+2*n-2*m^2+1)*C(2*n+2,2*m+1)/(4*n+2).at n=48A338523
• Triangle T(n,m) = (2*m*n+2*n-2*m^2+1)*C(2*n+2,2*m+1)/(4*n+2).at n=51A338523
• Ternary numbers consisting of a run of 1's, then a run of 2's, then a run of 0's.at n=14A371051
• Ternary numbers that are concatenated runs A(1)C(1)B(1)A(2)C(2)B(2)...A(k)C(k)B(k), where A(i) is a run of 1's, B(i) a run of 0's, and C(i) a run of 2's, for i = 1..k.at n=14A371107