OFFSET
1,17
COMMENTS
Row sums give A000088, n >= 1. - Omar E. Pol, Oct 07 2015
LINKS
FindStat - Combinatorial Statistic Finder, The Wiener index of a graph.
Martin Knor, Riste Škrekovski, Aleksandra Tepeh, Mathematical aspects of Wiener index, arXiv:1510.00800 [math.CO], (3-October-2015)
EXAMPLE
Triangle begins:
1,
1,1,
1,1,0,1,1,
1,1,1,1,1,0,1,1,2,1,1,
1,1,1,1,2,1,1,1,2,1,2,1,2,4,4,3,3,1,1,0,1,
1,1,1,2,2,1,2,3,4,3,3,2,2,4,4,4,4,3,6,9,13,17,14,11,9,10,4,6,4,3,0,2,1,0,0,1,
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Christian Stump, Oct 07 2015
STATUS
approved