49922

Appears in sequences

• Numbers n such that n''' = n''+ 1 where n'' and n''' are respectively the second and the third arithmetic derivative of n.at n=15A189941
• Number of 2 X 2 nonsingular matrices having all terms in {1,...,n}.at n=14A211056
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 419", based on the 5-celled von Neumann neighborhood.at n=42A272047
• Number of permutations of [n] avoiding {1324, 3142, 4231}.at n=11A294804