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Smallest triangular number whose final digits are A068125(n).
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%I #9 Sep 21 2024 19:19:38

%S 10,1,3,15,6,28,10,1711,15,2016,120,21,325,1326,28,630,231,435,36,

%T 1540,741,45,946,2850,351,153,55,2556,3160,561,465,66,1770,171,1275,

%U 276,78,780,1081,1485,3486,190,91,595,496,20100,112101,105,26106,16110,105111

%N Smallest triangular number whose final digits are A068125(n).

%e 11 is a term as 1711 is a triangular number. 13 is not as no triangular number is of the form 100k + 13.

%Y Cf. A068125.

%K base,easy,nonn

%O 1,1

%A _Amarnath Murthy_, Feb 21 2002

%E More terms from _Sascha Kurz_, Apr 03 2002

%E Offset changed by _Andrew Howroyd_, Sep 21 2024