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 A092102 #6 Mar 30 2012 17:22:32 %S A092102 3,7,11,19,29,31,37,43,47,53,59,61,71,83,89,97,101,103,109,127,131, %T A092102 137,151,163,167,173,181,197,199,211,227,229,233,257,269,271,283,313, %U A092102 347,353,359,367,373,379,383,389,397,401,409,419,421,433,439,457,463,509,521,523 %N A092102 Non-harmonic primes: the odd primes not in A092101. %C A092102 For p = prime(n), Boyd defines Jp to be the set of numbers k such that p divides A001008(k), the numerator of the harmonic number H(k). For harmonic primes, Jp contains only the three numbers p-1, (p-1)p and (p-1)(p+1). %C A092102 Boyd's paper omits 509. %D A092102 A. Eswarathasan and E. Levine, p-integral harmonic sums, Discrete Math. 91 (1991), 249-257. %H A092102 David W. Boyd, <a href="http://www.emis.de/journals/EM/expmath/volumes/3/3.html">A p-adic study of the partial sums of the harmonic series</a>, Experimental Math., Vol. 3 (1994), No. 4, 287-302. %Y A092102 Cf. A092101 (harmonic primes), A092103 (size of Jp). %K A092102 nonn %O A092102 1,1 %A A092102 _T. D. Noe_, Feb 20 2004