27745

Appears in sequences

• Number of permutations of length n which avoid the patterns 2314, 3124, 4312.at n=9A116816
• a(n) = 24*n^2 + 1.at n=34A158547
• a(n) = Sum_{y=1..n} Sum_{x=1..n} floor((x^k + y^k)^(1/k)) with k = 2.at n=32A211791
• Number of (w,x,y) with all terms in {0,...,n} and max(w,x,y) >= 2*min(w,x,y).at n=32A213390
• Number of superdiagonal bargraphs with area n.at n=35A219282
• Least positive integer k such that prime(k*n)^2 - 2 = prime(i*n)*prime(j*n) for some integers 0 < i < j.at n=37A260080
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 461", based on the 5-celled von Neumann neighborhood.at n=33A272293
• Expansion of Product_{k>=1} (1 - x^k)^(sigma_2(k)).at n=16A288389
• Numbers k such that (7*10^k + 113)/3 is prime.at n=18A293591
• Number of parts in all partitions of n in which no part occurs more than nine times.at n=27A320612