49300

Appears in sequences

• Numbers which can be expressed as the product of a number and its reversal in at least two different ways.at n=30A066531
• A modified Heron sequence starting from 1,3.at n=10A134589
• Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 9.at n=19A136886
• Numbers n such that there is no square n-gonal number greater than 1.at n=38A188896
• Number of (n+1) X 7 0..2 matrices with each 2 X 2 subblock idempotent.at n=14A224674
• Magic sums of 4 X 4 magic squares composed of odd squares.at n=28A271582
• a(n) = n * sigma_2(n).at n=33A328259