38668

Appears in sequences

• Expansion of e.g.f.: (log(2-exp(x)))^2.at n=7A052833
• Number of ways to place zero or more nonadjacent 2,0 3,1 4,2 4,3 4,4 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=10A155354
• Partial sums of economical numbers A046759.at n=28A172460
• G.f. A(x) satisfies: A(x) = 1 + Sum_{n>=1} x^n * A(x)^n/(1 - x*A(x)^(2*n)).at n=8A192399
• Number of n-bead necklaces labeled with numbers -5..5 allowing reversal, with sum zero and three times sum of squares <= n*(5)*(5+1).at n=6A208802
• T(n,k) = number of n-bead necklaces labeled with numbers -k..k allowing reversal, with sum zero and three times sum of squares <= n*k*(k+1).at n=61A208805
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 589", based on the 5-celled von Neumann neighborhood.at n=33A273113
• Numbers k such that 6*10^k + 37 is prime.at n=26A281903
• Numbers k such that (13*10^k - 43)/3 is prime.at n=21A290962
• Limit of rows in rectangular array A292929.at n=18A293601
• a(n) = 54*n^2 - 26*n + 4 (n>=1).at n=26A304381