

A174756


xvalues in the solution to x^251*y^2=1.


2



1, 50, 4999, 499850, 49980001, 4997500250, 499700044999, 49965006999650, 4996000999920001, 499550134985000450, 49950017497500124999, 4994502199615027499450, 499400269944005249820001
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,2


COMMENTS

The corresponding values of y of this Pell equation are in A174855.


LINKS



FORMULA

a(n) = 100*a(n1)a(n2) with a(1)=1, a(2)=50.
G.f.: x*(150*x)/(1100*x+x^2).


MATHEMATICA

LinearRecurrence[{100, 1}, {1, 50}, 30]


PROG

(Magma) I:=[1, 50]; [n le 2 select I[n] else 100*Self(n1)Self(n2): n in [1..20]];


CROSSREFS



KEYWORD

nonn,easy


AUTHOR



STATUS

approved



