47004
domain: N
Appears in sequences
- a(n) = floor(10000*log_2(n)).at n=25A004268
- a(n) = round(10000*log_2(n)).at n=25A004269
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (-1, 1, 1), (0, 1, 1), (1, 0, 0)}.at n=9A149994
- G.f: exp( Sum_{n>=1} x^n/n * Product_{d|n} (1 + d*x^(n/d))^d ).at n=11A205480
- G.f.: Sum_{n>=0} Product_{k=1..n} (q^k - 1) where q = (1+x)/(1+x^2).at n=8A207397
- G.f. A(x) satisfies: 1 - x = Sum_{n>=0} (x^(5*n) + (-1)^n*A(x))^n.at n=29A352821