48707

Appears in sequences

• Numerators of continued fraction convergents to sqrt(519).at n=9A041992
• a(n+1) = Sum_{p=0..n} (a(p)*a(n-p)+k)+l for n>=1, where a(0)=1, a(1)=1, k=1 and l=-1.at n=10A176826
• Number of n X 3 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=40A223833
• a(n) = Sum_{k=0..n} p(k)*q(k), where p(k) = partition numbers (A000041) and q(k) = partition numbers into distinct parts (A000009).at n=18A265096
• Somos's sequence {a(9,n)} defined in comment in A018896: a(0)= a(1) = ... = a(19) = 1; for n >= 20, a(n) = (a(n-1)*a(n-19) + a(n-10)^2)/a(n-20).at n=48A271839
• a(n) = A005259(n) mod (n+1)^3.at n=48A289289
• Numbers that are the sum of seven fourth powers in exactly nine ways.at n=33A345831
• a(n) is the integer part of the area of a regular n-gon whose side lengths are n.at n=25A374296