46614

Appears in sequences

• Expansion of Product_{k>=0} 1/(1 - x^(k+1))^A001156(k).at n=30A045842
• 53 'Reverse and Add' steps are needed to reach a palindrome.at n=30A065320
• Consider the figure made up of a row of n adjacent congruent rectangles, with diagonals of all possible rectangles drawn; a(n) = number of interior vertices where exactly three lines cross.at n=41A336489
• a(n) is the number of 6-tuples (a_1,a_2,a_3,a_4,a_5,a_6) having all terms in {1,...,n} such that there exists a hexagon with these side-lengths.at n=6A346638
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = [x^n] 1/(1 - x*(1+x)^k)^n.at n=52A362078
• a(n) = Sum_{k=0..n} (-1)^k * binomial(-n,k) * binomial(2*k,n-k).at n=7A362087