-411

Appears in sequences

• McKay-Thompson series of class 9d for Monster.at n=38A058096
• McKay-Thompson series of class 12d for Monster.at n=13A058492
• Expansion of (1-x)^(-1)/(1+2*x+2*x^2-x^3).at n=12A077933
• A Chebyshev transform of Padovan numbers.at n=25A099491
• a(0) = 1, a(1) = 2, a(2) = 5; for n >= 3, a(n) = a(n - 1) - 2*a(n - 2) + a(n - 3).at n=30A121311
• Sum of characteristic function of twin primes < 10^n.at n=3A129951
• a(n)=-a(n-1)+3*a(n-2), n>1 ; a(0)=1, a(1)=-3 .at n=7A152167
• McKay-Thompson series of class 9d for the Monster group with a(0) = -2.at n=38A152954
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 393", based on the 5-celled von Neumann neighborhood.at n=13A271605
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 467", based on the 5-celled von Neumann neighborhood.at n=17A272321
• Expansion of 1/(1 + x^2/(1 + x^3/(1 + x^5/(1 + x^7/(1 + x^11/(1 + ... + x^prime(k)/(1 + ... ))))))), a continued fraction.at n=43A292803
• Expansion of Product_{k>=1} (1 - x^k)^A000593(k).at n=21A316366
• A square array read by antidiagonals downwards (see Comments lines for definition).at n=64A330903
• Values z of primitive solutions (x, y, z) to the Diophantine equation x^3 + y^3 + 2*z^3 = 2*5^6.at n=30A336450
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384894.at n=62A384899