-3571

Appears in sequences

• Primes or negative values of primes in the sequence b(n) = 47*n^2 - 1701*n + 10181, n >= 0.at n=24A050267
• Shifts left two places under BIN1 transform.at n=17A052341
• Expansion of g.f. Product_{n>=1} (1-x^n)*(1-x^(5*n))/(1-x^(3*n))^2.at n=50A054274
• Fibonacci-type sequence based on subtraction: a(0) = 1, a(1) = 2 and a(n) = a(n-2) - a(n-1).at n=18A061084
• a(0)=-1, a(1)=-1, a(n)=-3*a(n-1)-a(n-2) for n>1.at n=9A098149
• Triangle, read by rows of n*(n+1)/2 terms, where row n equals the coefficients in the series reversion of the function G(x,n)-1 such that: x = Sum_{m>=1} 1/G(x,n)^(n*m) * Product_{k=1..m} (1 - 1/G(x,n)^k), for n>=1.at n=51A214670
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 411", based on the 5-celled von Neumann neighborhood.at n=41A271892
• G.f.: Sum_{n>=0} (2*n+1) * x^n * (1 - x^n)^n.at n=48A326607