52404

Appears in sequences

• McKay-Thompson series of class 22a for Monster.at n=30A058569
• Main diagonal of array A[k,n] = n-th sum of 3 consecutive k-gonal numbers, k>2.at n=32A130423
• Number of paths from (0,0) to (n,n) avoiding 3 or more consecutive east steps and 3 or more consecutive north steps.at n=12A177790
• Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y>=2z.at n=23A212505
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 181", based on the 5-celled von Neumann neighborhood.at n=42A270628
• a(n) = 27*n^2 - 51*n + 24, n>=1.at n=44A304836
• G.f. A(x) satisfies A(x) = 1/( 1 - 4*x*A(x)/(1-x) )^(1/2).at n=6A372104
• G.f.: Sum_{k>=0} x^(k*(k+1)) * Product_{j=1..k} 1/(1 - x^j)^4.at n=23A376711