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Numbers k such that k*(k+1)*(k+2) / (k+(k+1)+(k+2)) is a lucky number.
2

%I #17 May 09 2022 08:36:10

%S 1,7,9,19,27,33,43,61,63,79,91,109,115,151,187,223,241,249,253,259,

%T 261,285,295,313,331,333,361,375,379,387,439,441,457,469,475,487,513,

%U 519,529,559,583,609,619,627,631,645,691,721,745,747,763,765,783,811,835

%N Numbers k such that k*(k+1)*(k+2) / (k+(k+1)+(k+2)) is a lucky number.

%H Amiram Eldar, <a href="/A032791/b032791.txt">Table of n, a(n) for n = 1..1796</a>

%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Lucky_number">Lucky number</a>.

%H <a href="/index/Lu#lucky_numbers">Index entries for sequences related to lucky numbers</a>.

%Y Cf. A000959 (lucky numbers), A032792.

%K nonn

%O 1,2

%A _Patrick De Geest_, May 15 1998

%E Offset corrected by _Amiram Eldar_, May 09 2022