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Smallest n-digit triangular number - smallest n-digit number.
6

%I #3 Mar 30 2012 17:29:16

%S 0,0,5,35,11,128,405,1628,5153,6281,20331,404505,1326005,2437316,

%T 12392316,42485480,37150046,18810,179470703,2237948990,10876002500,

%U 22548781025,26940078203,242416922750,572687476751,4117080477500

%N Smallest n-digit triangular number - smallest n-digit number.

%F a(n) = A068093(n) - 10^(n-1).

%Y Cf. A068092, A068093, A068094, A095863, A095864, A095866.

%K base,easy,nonn

%O 1,3

%A _Ray Chandler_, Jun 28 2004