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Triangle read by rows in which row m (m>=0) gives the numbers 2*m*n + 1 for n = 0, ..., m.
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%I #7 Sep 24 2018 16:53:14

%S 1,1,3,1,5,9,1,7,13,19,1,9,17,25,33,1,11,21,31,41,51,1,13,25,37,49,61,

%T 73,1,15,29,43,57,71,85,99,1,17,33,49,65,81,97,113,129,1,19,37,55,73,

%U 91,109,127,145,163,1,21,41,61,81,101,121,141,161,181,201

%N Triangle read by rows in which row m (m>=0) gives the numbers 2*m*n + 1 for n = 0, ..., m.

%C Row sums are given by A053698 = n^3 + n^2 + n + 1.

%e 1; 1,3; 1,5,9; 1,7,13,19; 1,9,17,25,33; ...

%Y Cf. A053698.

%K nonn,tabl

%O 1,3

%A _Roger L. Bagula_, May 18 2007

%E Edited by _N. J. A. Sloane_ at the suggestion of _Andrew S. Plewe_, May 20 2007