48440

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 11.at n=22A031689
• Starting index of a string of 5 or more consecutive equal digits in decimal expansion of Pi.at n=8A049517
• Starting index of a string of exactly 5 consecutive equal digits in decimal expansion of Pi.at n=6A049521
• Starting positions of strings of four 6's in the decimal expansion of Pi.at n=5A083626
• Number of increasing subsequences that can be made from the sequence of successive numbers.at n=28A091955
• Triangle read by rows, X^n * [1,0,0,0,...]; where X = a tridiagonal matrix with (1,1,1,...) in the main and subsubdiagonals and (1,2,3,...) in the subdiagonal.at n=55A140734
• a(n) = 121*n^2 + 2*n.at n=19A181679
• Terms satisfy: a(2*n) = a(n)*b(n) and a(2*n+1) = a(n)*b(n+1) for n>=0 with a(0)=1, where A(x)^2 = Sum_{n>=0} b(n)*x^n and g.f. A(x) = Sum_{n>=0} a(n)*x^n.at n=13A257889
• Nonunitary weird numbers: numbers that are nonunitary abundant but not nonunitary pseudoperfect.at n=13A327948
• The number of walks of n steps on the hexagonal lattice that start at the origin and end at the adjacent vertex (1,0).at n=7A337905