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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 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
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
Sequence in context: A103367 A047863 A180349 * A005272 A307082 A178089
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Jul 01 2008
STATUS
approved

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Last modified April 22 20:16 EDT 2024. Contains 371906 sequences. (Running on oeis4.)