100175

Appears in sequences

• Positive numbers k such that k and 5*k are anagrams in base 9 (written in base 9).at n=15A023082
• Number of nX2 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.at n=12A240401