33290

Appears in sequences

• Partial sums of A005001.at n=9A029761
• Numbers whose base-8 representation has exactly 6 runs.at n=1A043628
• Numbers whose base-4 representation contains exactly four 0's and four 2's.at n=4A045061
• Length of hypotenuse squared in right triangle formed by a prime spiral plotted in Cartesian coordinates.at n=31A048851
• a(n) = prime(n+1)^2 + prime(n)^2.at n=30A069484
• A106486-encodings of combinatorial games with value -1.at n=37A125993
• Row sums of A175105.at n=11A176084
• Number of arrangements of 4 nonzero numbers x(i) in -n..n with the sum of div(x(i),x(i+1)), where div(a,b)=a/b produces the integer quotient implying a nonnegative remainder, equal to zero.at n=11A190073
• Numbers k such that the k-th composition in standard order is a concatenation of distinct twins (x,x).at n=40A351009
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,0) = 0^n and T(n,k) = k * Sum_{r=0..n} binomial(n+2*r+k,r) * binomial(r,n-r)/(n+2*r+k) for k > 0.at n=61A378290