27547

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 63 ones.at n=1A031831
• Least of four consecutive numbers which are cubefree and not squarefree, i.e., numbers k such that {k, k+1, k+2, k+3} are in A067259.at n=13A071320
• Sums of members of groups in A076062.at n=37A076060
• a(n) = (6*n+1)*(6*n+7).at n=27A085026
• a(n) = numerator of constant lambda(n) involved in a recurrence for the Atkin polynomials A_k(j).at n=27A145226
• Product between n-th prime and next perfect square.at n=37A229497
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 531", based on the 5-celled von Neumann neighborhood.at n=30A272752
• Partial sums of A299258.at n=32A299264
• a(n) = (2/3) * Sum_{k>=0} (2*k + 1)^n / 3^k.at n=6A337026