30482

Appears in sequences

• Future of the smallest-perizeroin komet in Kimberling's expulsion array (A035486).at n=30A038807
• a(0)=1; for n >= 1, a(n) = Sum_{k=0..n} 11^k*N(n,k) where N(n,k) = (1/n)*C(n,k)*C(n,k+1) are the Narayana numbers (A001263).at n=5A082173
• a(n) = N(5,n), where N(5,x) is the 5th Narayana polynomial.at n=11A090198
• Triangle read by rows: T(n,k) is the number of binary trees with n edges and jump-length equal to k (n >= 0, 0 <= k <= n-2).at n=50A127532
• Multiplicity of the zero at x=1 of the characteristic polynomial P_n^C.at n=34A246997
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)*b(n-1), where a(0) = 2, a(1) = 3, b(0) = 1, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.at n=15A296263
• a(n) = number of triangles with integer sides i <= j <= k with radius of circumcircle <= n.at n=37A331229
• Number of integer partitions of n that are not pairwise coprime, where a singleton is not coprime unless it is (1).at n=39A335240