96228

Appears in sequences

• Cluster series for f.c.c. lattice.at n=6A003209
• a(n) = 3^n*Catalan(n).at n=6A005159
• Riordan array (1, x*c(3x)), c(x) the g.f. of A000108.at n=29A110518
• Number of isolated 0's in all ternary words of length n on {0,1,2}.at n=9A120926
• X-values of solutions to the equation 3(X-Y)^4 - 8*X*Y = 0 with X >= Y.at n=3A123283
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of 2 n steps taken from {(-1, -1), (-1, 0), (-1, 1), (1, 1)}.at n=6A151383
• G.f.: A(x) = 1 + x*exp( Sum_{k>=1} [A(-(-1)^k*x) - 1]^k/k ).at n=14A156909
• G.f. satisfies: A(x) = x + A( 27*A(x)^6 )^(1/3).at n=6A177406
• Number of n X n binary matrices M with rows in strictly increasing order such that M^2 (mod 2) also has rows in strictly increasing order.at n=5A181264
• a(n) = A203430(n)/A000178(n) where A000178=(superfactorials).at n=7A203432
• Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 2/(1 + sqrt(1 - 4*k*x)).at n=51A290605