A167043 Squares that remain squares when prefixed with an 8.
1, 100, 1225, 10000, 93025, 122500, 1000000, 9302500, 12250000, 100000000, 930250000, 1225000000, 10000000000, 14731890625, 93025000000, 122500000000, 863273265625, 1000000000000, 1473189062500, 9302500000000, 12250000000000, 86327326562500, 100000000000000
Offset: 1
Examples
1=1^2 is a square and becomes the square 81=9^2 if an eight is attached in front.
Links
- Chai Wah Wu, Table of n, a(n) for n = 1..1000
Extensions
Definition supplied by R. J. Mathar, Oct 28 2009
More terms from Chai Wah Wu, Sep 11 2014