98644

Appears in sequences

• Expansion of g.f.: (1-x)/(1 - 3*x - x^2).at n=10A052924
• Numbers k such that k-3, k-5, k-17, k-257, and k-65537 are all primes.at n=17A063825
• G.f. satisfies: A(x) = B(x*A(x)), where B(x) is the g.f. of A184509.at n=8A184511
• Base-6 Keith numbers.at n=21A188197
• x-values in the solution to 13*x^2 - 12 = y^2.at n=10A199404
• List of quadruples (r,s,t,u): the matrix M = [[4,12,9][2,5,3][1,2,1]] is raised to successive powers, then (r,s,t,u) are the square roots of M[3,1], M[3,3], M[1,1], M[1,3] respectively.at n=42A249579
• List of quadruples (r,s,t,u): the matrix M = [[4,12,9][2,5,3][1,2,1]] is raised to successive negative powers, then (r,s,t,u) are the square roots of M[1,3], M[1,1], M[3,3], M[3,1] respectively.at n=38A249580
• Infinitary Ruth-Aaron numbers: numbers k such that A181894(k) = A181894(k+1).at n=37A330999
• Unitary Ruth-Aaron numbers: numbers k such that A008475(k) = A008475(k+1).at n=36A331000