[seqfan] Re: Sum of a binary power and an odd prime power
N. J. A. Sloane
njas at research.att.com
Fri Apr 16 13:26:16 CEST 2010
Charles said:
Would someone check sequences A115230, A115231, A115232, and A115230?
Me: One suggestion is that A115230, which presently reads
%N A115230 Number of ways to write the n-th prime as a sum of a binary power and an odd prime power.
should really be
%N A115230 Number of ways to write the n-th prime as a sum of a power of 2 and an odd multiple of a (prime or a power of a prime).
That is, number of ways to write prime(n) as 2^i + j*p^k where
i >= 0, k >= 1, j is odd and >= 1, and p is a prime.
Could you check if that is consistent with the entries?
Neil
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