25165821
domain: N
Appears in sequences
- Divisors of 2^46 - 1.at n=9A003551
- G.f.: (x+2)*(x+1)/((x-1)*(x-2)) = Sum_{n>=0} a(n)*(x/2)^n.at n=23A068156
- Numbers whose binary representation is a palindrome formed from the reflected decimal expansion of the concatenation of 1, 0 and infinite digits 1.at n=24A147758
- Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)^2 = (S_i S_j)^24 = I.at n=24A169016
- Expansion of x*(3*x^2+x+1)/((x-1)*(2*x-1)*(x+1)).at n=24A192033
- Record values obtained in the iterative process related to the abundancy function sigma(n)/n described in comments.at n=16A247141
- Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 758", based on the 5-celled von Neumann neighborhood.at n=24A283752
- Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 758", based on the 5-celled von Neumann neighborhood.at n=24A283905
- a(2*k) = 3*2^k - 3, a(2*k+1) = 2^(k+2) - 3.at n=46A354788