21918

Appears in sequences

• a(n) = round(n*phi^14), where phi is the golden ratio, A001622.at n=26A004949
• a(n) = ceiling(n*phi^14), where phi is the golden ratio, A001622.at n=26A004969
• Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.at n=11A240359
• Number of digits in the decimal expansion of the number of partitions of 3^n.at n=18A248729
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood.at n=27A273612