

A102873


Prime differences between 2^n and 3^m when they are nearly equal for n and m to 200.


0




OFFSET

1,1


COMMENTS

The first array "c" can be used to extend A102872. d = Delete[Union[Table[If[PrimeQ[c[[n]]], c[[n]], 0], {n, 1, Length[c]}]], 1] finds the primes in this line between 2^n and 3^m.


LINKS



FORMULA

a(q) = If 2^n and 3^m are such that 2^n>3^n and Floor[2^n/3^m]<2 and when Abs[2^n3^m] if prime, then a[q]=Abs[2^n3^m]


MATHEMATICA

c = Delete[Union[Flatten[Table[Table[If [ (2^n > 3^m) && Floor[2^n/3^m] < 2, Abs[2^n  3^m], 0], {m, 1, n}], {n, 1, 200}], 1]], 1] d = Delete[Union[Table[If[PrimeQ[c[[n]]], c[[n]], 0], {n, 1, Length[c]}]], 1]


CROSSREFS



KEYWORD

nonn


AUTHOR



EXTENSIONS



STATUS

approved



