Juan José Alba González on Mon, 06 Jul 2026 21:22:10 +0200


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Question about undocumented notation.


Hi. In the OEIS I run into the following line of pari code:

intnum(x=0, [[1], 1], 1/gamma(1+x))

Apparently, this is equivalent to

intnum(x=0, [+oo, 1], 1/gamma(1+x))

but the documentation doesn't mention anything like that.

I'm wondering if they are actually equivalent and why apparently [1] is replaced by +oo in this context.

  Best regards,  

--
Dr. Juan José Alba González