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A141713
Column 0 of triangle A141712.
3
1, 1, 2, 6, 26, 162, 1454, 18854, 354258, 9671546, 384587782, 22323926270, 1895288347354, 235764308325666, 43040024112901598, 11547470030266126198, 4559235319260902237410, 2652214835190976783549066
OFFSET
0,3
FORMULA
Equals column 1 of triangle A141712 when shifted left one place.
Equals column 0 of the matrix square of triangle A141712 - see A141715.
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Jul 01 2008
STATUS
approved