

A116226


n times n+2 gives the concatenation of two numbers m and m9.


5



4622, 5377, 7980, 34952, 46865, 53134, 65047, 7056186, 9783459, 43176670, 56823329, 97999800, 447255476452, 552744523547, 755424659534, 799319866013, 997999998000, 4297663349523, 5702336650476, 6971253996227
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OFFSET

1,1


LINKS

Robert Israel, Table of n, a(n) for n = 1..1122


EXAMPLE

97999800 * 97999802 = 96039609//96039600, where // denotes
concatenation.


MAPLE

A:= NULL: count:= 0:
for d from 2 to 40 do
R:= [msolve(x^2=8, 10^d+1)];
T:= sort(select(t > t*(t+2) mod 10^d >= 10^(d1), map(t > subs(t, x1), R)));
count:= count+nops(T);
A:= A, op(T);
od:
A; # Robert Israel, Jan 04 2021


CROSSREFS

Cf. A116095, A116225, A116227, A116233.
Sequence in context: A237634 A051649 A140175 * A115446 A254850 A139410
Adjacent sequences: A116223 A116224 A116225 * A116227 A116228 A116229


KEYWORD

nonn,base


AUTHOR

Giovanni Resta, Feb 06 2006


STATUS

approved



