81384

Appears in sequences

• Numbers whose base-5 representation has exactly 8 runs.at n=3A043608
• Matrix product of unsigned Stirling1-triangle |A008275(n,k)| and Stirling1-triangle A008275(n,k).at n=45A079642
• Expansion of e.g.f. log(1-log(1-x)).at n=10A089064
• a(0)=0, a(1)=1, a(n) = a(n-1) + (a(n-2) XOR n).at n=23A182537
• Square array A(n,k), n >= 1, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. log(1 + Sum_{j>=1} binomial(j+k-1,k) * x^j/j).at n=54A308497
• T(n, k) = [x^k] Sum_{k=0..n} |Stirling1(n, k)|*FallingFactorial(x, k), triangle read by rows, for n >= 0 and 0 <= k <= n.at n=56A325873