0,2

a(n)=sum(A112692(k, m), m=0..((k+1)*(k+2)/2)-1), k>=0.

Unsiged row sums A112694.

Sequence in context: A013150 A011266 A100568 this_sequence A136384 A123373 A132510

Adjacent sequences: A112690 A112691 A112692 this_sequence A112694 A112695 A112696

sign,easy

Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Oct 14 2005