1179647

Appears in sequences

• Expansion of (1+x^2-x^3)/((1-x)*(1-2*x)).at n=19A052996
• a(1) = 2, a(n+1) = smallest squarefree number == 1 (mod a(n)) and > a(n).at n=20A076698
• a(n) = (n+1)*2^(n-1) - 1.at n=16A099035
• Record values in A135141.at n=37A246347
• a(n)=least k such that A284821(n) = A284761(k).at n=27A284822
• a(n) = least k such that the prime tower factorizations of k and k+1 both contain the n-th prime.at n=6A286068
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 453", based on the 5-celled von Neumann neighborhood.at n=33A288368
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 625", based on the 5-celled von Neumann neighborhood.at n=21A289966