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Concatenation of first n taxicab numbers A011541.
0

%I #8 Dec 31 2022 01:35:00

%S 2,21729,2172987539319,21729875393196963472309248,

%T 2172987539319696347230924848988659276962496

%N Concatenation of first n taxicab numbers A011541.

%K base,nonn,hard

%O 1,1

%A _Omar E. Pol_, Nov 17 2007