|
%I #6 Mar 05 2022 01:45:35
%S 1,5,3,5,7,5,9,7,9,7,9,11,9,11,9,13,11,13,11,13,11,13,15,13,15,13,15,
%T 13,17,15,17,15,17,15,17,15,17,19,17,19,17,19,17,19,17
%N 2*A002024 - A000012(signed).
%C Row sums = A077221: (1, 8, 17, 32, 49, 72, 97, ...).
%F 2*A002024 - A000012 (signed + - + -, ... by columns).
%F A002024 = (1; 2,2; 3,3,3; ...); A000012(signed) = (1; -1,1; 1,-1,1; ...).
%e First few rows of the triangle:
%e 1;
%e 5, 3;
%e 5, 7, 5;
%e 9, 7, 9, 7;
%e 9, 11, 9, 11, 9;
%e 13, 11, 13, 11, 13, 11;
%e 13, 15, 13, 15, 13, 15, 13;
%e ....
%Y Cf. A002024, A000012, A077221.
%K nonn,tabl
%O 0,2
%A _Gary W. Adamson_, Jul 29 2007
|
