login
A058424
Squares composed of digits {0,2,4}, not ending with zero.
2
4, 2244004, 42224004, 424442404, 22200404004, 4024044024004, 40244204444224, 2242202244202404, 40024004400240004, 40402004202240004, 400024000440002400004, 2202400402420402044004, 4000024000044000024000004, 40000024000004400000240000004, 2440040242204024220420044444224
OFFSET
1,1
COMMENTS
Includes all numbers of the form (2*100^k + 6*10^k + 2)^2 for k >= 2. - Andrew Howroyd, Oct 18 2024
LINKS
FORMULA
a(n) = A058423(n)^2. - Andrew Howroyd, Oct 18 2024
CROSSREFS
Cf. A058423.
Sequence in context: A218484 A046362 A144122 * A204041 A065248 A116141
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Nov 15 2000
STATUS
approved