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A141740
Cumulative sum of the rows of triangle A141728.
2
1, 1, 4, 6, 10, 13, 19, 28, 35, 42, 51, 59, 70, 78, 91, 107, 125, 139, 153, 167, 189, 209, 229, 254, 276
OFFSET
0,3
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Paolo P. Lava, Jul 03 2008
STATUS
approved