54340

Appears in sequences

• Expansion of (1-4*x)^(15/2).at n=18A020927
• Expansion of (1-4*x)^(19/2).at n=18A020931
• Integers that are Rhonda numbers to base 16.at n=19A100975
• Number of partitions of n such that (least part) <= (multiplicity of greatest part).at n=43A240179
• Number of length 5+2 0..n arrays with every three consecutive terms having the sum of some two elements equal to twice the third.at n=38A248438
• a(1) = a(2) = a(3) = 1; for n>3, a(n) = (a(n-3) + a(n-1))*(a(n-2) + a(n-3)).at n=7A263044
• Magic sums of 4 X 4 magic squares composed of odd squares.at n=34A271582
• Number of permutations of [n] having ten cycles of the form (c1, c2, ..., c_m) where c1 = min_{i>=1} c_i and c_j = min_{i>=j} c_i or c_j = max_{i>=j} c_i.at n=3A346325
• Expansion of -(1 - 8*x) / sqrt(1 - 4*x).at n=9A349846
• Numbers k such that the sum of the proper divisors of k that have the same binary weight as k is larger than k, and no subset of these divisors sums to k.at n=31A381071