27528

Appears in sequences

• Expansion of a modular function.at n=23A006709
• Numbers k such that there are no prime numbers between reverse(k) and 3*k.at n=10A074815
• Poincaré series [or Poincare series] P(T_{3,2}; x).at n=14A124615
• 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, 1), (1, 0, 1), (1, 1, 0), (1, 1, 1)}.at n=7A151218
• Number of binary strings of length n with equal numbers of 0001 and 0100 substrings.at n=16A164157
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 537", based on the 5-celled von Neumann neighborhood.at n=30A272792