This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A154946 #29 May 31 2025 16:08:13
%S A154946 2,5,6,4,3,4,3,2,2,0,6,8,6,3,0,9,1,9
%N A154946 Decimal expansion of the sum_p 1/((p-1)*log p) over the primes p=A000040.
%C A154946 Variant of A137245.
%H A154946 R. J. Mathar, <a href="http://arxiv.org/abs/0811.4739">Twenty digits of some integrals of the Prime Zeta Function</a>, arXiv:0811.4739 [math.NT], variable P^L(1,0) section 2.4.
%F A154946 Equals sum_{i=1,2,3..infinity} 1/( A006093(i)*log A000040(i)).
%e A154946 Equals 2.56434322068...= 1/(1*log 2)+1/(2*log 3)+1/(4*log 5)+1/(6*log 7)+...
%K A154946 cons,nonn,more
%O A154946 1,1
%A A154946 _R. J. Mathar_, Jan 17 2009