100324

Appears in sequences

• Positive numbers k such that k and 3*k are anagrams in base 6 (written in base 6).at n=17A023065
• Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and equal numbers of elements moved upwards and downwards.at n=9A263741
• a(n) is the number of 3 X 3 matrices with elements 1..n where at least one row and at least one column is strictly increasing.at n=5A390925