49231

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 39 ones.at n=11A031807
• 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, 0, 1), (1, -1, 0), (1, 1, 1)}.at n=9A149547
• 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, 1, -1), (-1, 1, 0), (1, 0, -1), (1, 1, 1)}.at n=9A149548
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203953.at n=37A203954
• Triangle T(n, k) read by rows giving number of non-equivalent ways to choose k points in an equilateral triangle grid of side n.at n=49A231655
• Triangle T(n, k) read by rows giving number of non-equivalent ways to choose k points in an equilateral triangle grid of side n.at n=52A231655
• Zeroless numbers n whose digit product squared is equal to the digit product of n^2.at n=26A256115
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 617", based on the 5-celled von Neumann neighborhood.at n=34A273248
• Odd numbers n such that q(n)^2 = q(n^2) != 0, where q(n) is the digit product on base 10.at n=15A278316