|
| |
|
|
A137043
|
|
Numbers n such that n and the square of n use only the digits 1, 3, 7, 8 and 9.
|
|
1
| |
|
|
1, 3, 9, 891, 9891, 13391, 131833, 197917, 993891, 1173833, 1178891, 1331833, 1837917, 1931833, 13318333, 13331833, 19318333, 117787917, 133318333, 193318333, 199971833, 879733891, 1333183333, 1333318333, 1837878891, 1933183333, 1998333891, 3737883333, 8819398391, 8879178891, 9938913391, 9999191833, 13333183333
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
