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%I #10 Dec 05 2013 19:57:06
%S 1,2,3,3,7,29,4,9,289,332929,5,11,23,47,283,6,55,111,334,335,671,7,29,
%T 59,709,2837,22697,590123,8,4913,2084349468684419,
%U 24848244676397648518313556708104734780186593641363
%N Triangle read by rows: n-th row begins with n and contains n terms with the same prime signature such that the (r+1)-th term == 1 (mod r-th term).
%e Triangle begins:
%e 1
%e 2 3
%e 3 7 29
%e 4 9 289 332929...
%K nonn,tabl
%O 1,2
%A _Amarnath Murthy_, Jan 04 2006
%E Corrected and extended by _Joshua Zucker_, May 07 2006
%E a(32) from _Max Alekseyev_, Feb 13 2012
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