56754

Appears in sequences

• Numbers k such that 45*2^k+1 is prime.at n=28A032372
• Total number of distinct block sizes in all partitions of [n].at n=8A132963
• Number of nondecreasing arrangements of n+2 numbers in 0..7 with each number being the sum mod 8 of two others.at n=10A183910
• Number of strings of numbers x(i=1..6) in 0..n with sum i^2*x(i) equal to n*36.at n=17A183957
• Number of nXnXn triangular 0..2 arrays with some element less than a w, nw or ne neighbor exactly once.at n=6A271028
• T(n,k)=Number of nXnXn triangular 0..k arrays with some element less than a w, nw or ne neighbor exactly once.at n=34A271034
• Number of 7X7X7 triangular 0..n arrays with some element less than a w, nw or ne neighbor exactly once.at n=1A271039
• Numbers k such that 369*2^k+1 is prime.at n=20A323009
• Dirichlet convolution of right-shifted Catalan numbers with A349452 (Dirichlet inverse of A011782, 2^(n-1)).at n=11A349563