33328

Appears in sequences

• Number of equivalence classes of Boolean functions of n variables under action of LSD(n,2).at n=4A028407
• a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = a(2) = a(3) = 1.at n=16A049934
• Maximal number of regions into which 5-space can be divided by n hyperspheres.at n=20A059174
• Number of permutations of length n which avoid the patterns 132, 3421, 4231.at n=15A116725
• G.f. satisfies A(x) = A(A(x)) - x^2 with A(0)=0.at n=7A138740
• G.f. A(x) satisfies: A( x - A(x) ) = x^2.at n=6A276370
• G.f. A(x) satisfies: A( 2*x - A(x) ) = 2*x - A(x) + x^2.at n=7A292809
• Number of achiral colorings of the 30 edges of a regular dodecahedron or icosahedron using n or fewer colors.at n=1A337953
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of (B(x)/x)^k, where B(x) is the g.f. of A213591.at n=42A384619