46732

Appears in sequences

• Sum of squared spans of 2n-step polygons on square lattice.at n=7A006773
• a(n) = a(n-1) + a(m) for n >= 4, where m = 2*n - 2 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1, a(2) = 2, and a(3) = 4.at n=40A050055
• Matrix inverse of triangle A122175, where A122175(n,k) = C( k*(k+1)/2 + n-k, n-k) for n>=k>=0.at n=50A121435
• Number of n-step walks (each step +-1 starting from 0) which are never more than 5 or less than -5.at n=16A216241
• Number of 5 X n 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=19A224041
• Expansion of 1/(1 - Sum_{k>=1} x^prime(prime(k))).at n=58A281422
• Number of odd strict trees of weight n (all outdegrees are odd).at n=26A300440
• Number of partitions of n into parts of exactly five sorts which are introduced in ascending order such that sorts of adjacent parts are different.at n=6A320547