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Triangle read by rows: n-th row is the first arithmetic progression with common difference n of n numbers with the same prime signature.
2

%I #5 Dec 05 2013 19:56:20

%S 1,3,5,155,158,161,111,115,119,123,3875983,3875988,3875993,3875998,

%T 3876003,1333,1339,1345,1351,1357,1363

%N Triangle read by rows: n-th row is the first arithmetic progression with common difference n of n numbers with the same prime signature.

%e Triangle begins:

%e 1,

%e 3,5,

%e 155,158,161,

%e 111,115,119,123,

%e 3875983,3875988,3875993,3875998,3876003

%e ...

%Y Cf. A087306.

%K nonn,tabl

%O 1,2

%A _Amarnath Murthy_, Sep 02 2003

%E Edited and extended by _David Wasserman_, Jan 08 2006

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Last modified September 19 20:04 EDT 2024. Contains 376014 sequences. (Running on oeis4.)