25445

Appears in sequences

• Expansion of 1/((1-x)(1-6x)(1-10x)).at n=4A016246
• A class of polytopal spheres.at n=20A059736
• a(n) = 17 + floor( (1 + Sum_{j=0..n-1} a(j))/2 ).at n=18A120143
• Number of strings of n+2 numbers x(i) in -1..1 with the sum of x(i) equal to zero and the sums of x(i)*x(i+1) and x(i)*x(i+2) equal to each other.at n=10A184053
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 433", based on the 5-celled von Neumann neighborhood.at n=32A272147
• a(n) is the sum, over all overpartitions of n, of the overlined parts.at n=17A335666