[seqfan] Re: First term correct in A055832?
T. D. Noe
noe at sspectra.com
Fri Apr 2 08:22:04 CEST 2010
At 6:51 PM +0100 4/1/10, Christopher Gribble wrote:
>A055832 is defined as "A sequence of 2n primes with symmetrical gaps about
>the center starts at this prime.", yet the first term is 3, relating to gaps
>5 - 3 = 2 and 7 - 5 = 2, so there is no "center" . Shouldn't the first term
>of A055832 be 5?
>If it was then A175309(2n+1) would = A055832(n) for all n>=1.
The sequence is A055382. The 2 primes are 3 and 5, making just 1 gap.
Seems fine to me. I suggest changing the name to say "2n consecutive
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