48546

Appears in sequences

• Diagonal in array of n-gonal numbers A081422.at n=35A081438
• Numbers k such that sum of 9th powers of divisors of k is divisible by the square of Euler-phi of k.at n=10A094468
• Consider a Pythagorean triangle with sides a=u^2-v^2, b=2uv, c=u^2+v^2. The sequence is the area of the triangle when v=2, u=3,4,5,...at n=26A096382
• Indices of primes in the sequence defined by A(0) = 47, A(n) = 10*A(n-1) - 33 for n > 0.at n=30A101724
• Kekulé numbers for certain benzenoids.at n=6A110692
• Number of partitions p of n such that median(p) <= mean(p).at n=41A240218
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 459", based on the 5-celled von Neumann neighborhood.at n=42A272289
• Number T(n,k) of partitions of [n] having exactly k blocks of size at least three; triangle T(n,k), n>=0, 0<=k<=floor(n/3), read by rows.at n=24A355144
• Number of regions in a graph of n adjacent rectangles in a row with all possible diagonals drawn, as in A306302, but without the rectangles' edges which are perpendicular to the row.at n=22A369175