login
Diagonal sums of the array T in A084934.
1

%I #3 Mar 30 2012 18:57:05

%S 0,1,2,5,7,11,15,21,25,32,39,48,54,65,73,86,94,109,119,134,145,164,

%T 176,194,208,228,243,265,282,305,321,348,366,392,411,440,460,491,513,

%U 545,566,599,624,660,683,721,747,785,812,852,881,921,950,995,1025,1070,1101

%N Diagonal sums of the array T in A084934.

%e The northwest corner of T includes

%e 0 1 1 2

%e 0 1 2

%e 0 1

%e 0,

%e from which the first four diagonals sums are 0,1,2,5.

%Y Cf. A084934.

%K nonn

%O 1,3

%A _Clark Kimberling_, Jun 12 2003