[seqfan] {Spam?} A007996, A096264

[Don Reble]

> %I A007996
> %S 2,3,7,13,43,73,139,181,547,...
> %N Primes that divide at least one term of the sequence f given by
>    f(1) = 2, f(n+1) = n^2-n+1.

> %I A096264
> %S 5,11,17,19,23,29,31,37,41,...
> %N Primes that do not divide any terms of the sequence f given by
>    f(1) = 2, f(n+1) = n^2-n+1.

    Perhaps they should be f(n+1) = f(n)^2 - f(n) + 1. See also A007018.
    The stated sequence begins 2,3,7,13,19,31,...; it looks rather like
    A007645. (But f(1)=2 instead of 1 puts 2 into the sequence.)

-- 
Don Reble  djr at nk.ca


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