trizen
7ea6dd432d
new file: oeis-research/Erich Friedman/Squares that remain squares if you decrease every digit by 1/b061844.txt
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il y a 6 mois | |
|---|---|---|
| .. | ||
| Squares that remain squares if you decrease every digit by 1 | il y a 6 mois | |
| a(1) = a(2) = 1, a(n) is largest prime factor of concatenation of a(n - 2) and a(n - 1) | il y a 2 ans | |