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A053955
Squares composed of digits {4,5,9}.
2
4, 9, 49, 44944, 5555449, 545549449, 59554545444, 459949959549955449, 555444595959444995959495549444, 495555459949459999994555545994544549499995545449
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..10.
Patrick De Geest,
Squares containing at most three distinct digits, Index entries for related sequences
.
Hisanori Mishima
Squares consisted of 3 different digits
.
FORMULA
a(n) =
A053954
(n)^2. -
Elmo R. Oliveira
, Jul 19 2025
CROSSREFS
Cf.
A053954
.
Sequence in context:
A058444
A053925
A053943
*
A038340
A374850
A016489
Adjacent sequences:
A053952
A053953
A053954
*
A053956
A053957
A053958
KEYWORD
nonn
,
base
,
more
AUTHOR
Patrick De Geest
, Mar 15 2000
EXTENSIONS
a(9)-a(10) from Mishima's webpage added by
Max Alekseyev
, May 18 2009
STATUS
approved
