54008

Appears in sequences

• Seventh column of quintinomial coefficients.at n=14A064056
• Triangle read by rows: number of atomic set compositions of size n and length k (see description in A095989) 1 <= k <= n.at n=47A109062
• Numbers k such that A109631(k) + A109631(k+1) = A109631(k+2).at n=12A109651
• Integer Log of (Numerators convergent to Pi / Denominators convergent to Pi) = A001414(A002485/A002486) = A001414(A002485)-A001414(A002486).at n=22A136121
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (0, 0, -1), (0, 1, 1), (1, -1, 0)}.at n=10A148799
• a(n) = Sum_{i+j+k=n, i,j,k >= 1} tau(i)*tau(j)*tau(k), where tau() = A000005().at n=50A191829
• Palindromic numbers in bases 3 and 7 written in base 10.at n=18A259377
• a(n) is the smallest number which can be represented as the sum of n distinct nonzero n-gonal numbers in exactly 2 ways.at n=21A377729