A343725 a(n) is the largest n-digit square with all digits even.
4, 64, 484, 8464, 88804, 868624, 8880400, 86862400, 888040000, 8880800644, 88864802404, 888868068804, 8886826042084, 88886806880400, 888686062262244, 8888680688040000, 88868606226224400, 888868068804000000, 8888600480200862404, 88886806880400000000
Offset: 1
Links
- Chai Wah Wu, Table of n, a(n) for n = 1..63