44594

Appears in sequences

• a(n) = floor(10000*log_2(n)).at n=21A004268
• a(n) = round(10000*log_2(n)).at n=21A004269
• Limit of unsigned reversed rows of triangle A144006.at n=12A144007
• Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or three plus the sum of the elements diagonally to its northwest, modulo 4.at n=5A240189
• T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or three plus the sum of the elements diagonally to its northwest, modulo 4.at n=41A240192
• Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or three plus the sum of the elements diagonally to its northwest, modulo 4.at n=3A240196
• Numbers k with nonzero digits such that k +/- the product of digits of k are both palindromes.at n=15A244547
• a(n) = Sum_{d|n} d^2 * (d+1)/2.at n=41A278403