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A328886
Squares that end in 444.
4
1444, 213444, 289444, 925444, 1077444, 2137444, 2365444, 3849444, 4153444, 6061444, 6441444, 8773444, 9229444, 11985444, 12517444, 15697444, 16305444, 19909444, 20593444, 24621444, 25381444, 29833444, 30669444, 35545444, 36457444, 41757444, 42745444, 48469444
OFFSET
1,1
COMMENTS
See A039685 for further information about these numbers.
FORMULA
a(n) = A039685(n)^2.
MATHEMATICA
Select[Table[n*10^3+444, {n, 50000}], IntegerQ[Sqrt[#]]&] (* Harvey P. Dale, Jun 19 2020 *)
PROG
(PARI) a039685(n) = 250*n+87*(-1)^n-125
a(n) = a039685(n)^2
CROSSREFS
Cf. A039685.
Sequence in context: A298222 A374267 A180465 * A031754 A031536 A181973
KEYWORD
nonn,base,easy
AUTHOR
Felix Fröhlich, Oct 29 2019
STATUS
approved