duplicate hunting, pt. 18

[Ralf Stephan]

> A108198 and A128717
> http://www.research.att.com/~njas/sequences/?q=id:A108198|id:A128717

I'd say that's trivial, also the formulae agree.

> A105143 and A105164
> http://www.research.att.com/~njas/sequences/?q=id:A105143|id:A105164

I'm not sure. Shouldn't 10 appear in either one? Can someone run
the Mathematica programs?

> A095149 and A124326
> http://www.research.att.com/~njas/sequences/?q=id:A095149|id:A124326

Both refer to A011971 as subtriangle, so yes.


ralf