26748

Appears in sequences

• 3rd power of rooted tree enumerator; number of linear forests of 3 rooted trees.at n=10A000242
• G.f. satisfies: a(2*n) equals coefficient of x^n in A(x)^(n+1) and a(2*n+1) equals coefficient of x^(n+1) in A(x)^(n+1), for n>=0, with a(0)=1.at n=13A094600
• McKay-Thompson series of class 9b for the Monster group.at n=29A112146
• 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, 1), (0, 0, -1), (0, 1, -1), (0, 1, 0), (1, 0, 1)}.at n=8A150222
• Composite numbers whose multiplicative persistence is 6.at n=33A199996
• The Wiener index of the nanostar dendrimer defined pictorially as NS[n] in the Z. S. Irani reference.at n=2A224465
• G.f. A(x,y) satisfies: A(x,y) = x + A( x^2 + x*y*A(x,y)^2, y).at n=93A271868
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f.: exp(1/(1-x)^k - 1).at n=59A294046