327936
domain: N
Appears in sequences
- 2^(2n-6) * C(n,3) - 2^(n-2) * C(n,4).at n=6A008465
- Triangle related to exp(x)*sec(2*x).at n=48A117436
- 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, 1), (-1, 0, 0), (0, -1, 1), (0, 1, 1), (1, 0, -1)}.at n=11A148940
- Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 150", based on the 5-celled von Neumann neighborhood.at n=18A279248
- Numbers n for which A019565(n) <= A087207(n) < n.at n=31A286612
- Number of odd semiprimes between 2^(n-1) and 2^n.at n=22A362318