[seqfan] Help with A002793 needed/Karol A. Penson
penson at lptl.jussieu.fr
Mon Jul 5 19:02:09 CEST 2010
Can anyone help with the following three questions concerning A002793:
1. is the formula for a(n) known ?
2. is any generating function (ogf , egf ... etc. ) of a(n) known ?
3. in one of my calculations the following splitting of a(n)'s
I would be happy to obtain the formula for the triangle.
Thanks in advance , Karol A. Penson
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