26234

Appears in sequences

• a(n) is the concatenation of n and 9n.at n=25A009474
• Number of (n+2) X 3 binary arrays avoiding patterns 001 and 110 in rows, columns and nw-to-se diagonals.at n=29A202440
• Number of perfect squared squares of order n up to symmetries of the square.at n=29A217156
• Record values in A214551.at n=35A219898
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 901", based on the 5-celled von Neumann neighborhood.at n=26A273744
• Integers k equal to the sum over A000203(t) mod t, for some steps, starting with t = k and then using the result to feed the next calculation.at n=40A377001