%I A121492
%S A121492 1,2,3,4,5,6,8,10,12,14,20,22,30,32,34,36,44,52,72,86,96,112,114,118,
%T A121492 132,148,154,180,210,220,222,234,248,250,282,288,292,320,336,354,382,
%U A121492 384,394,456,464,468,474,486,490,500,514,516,532,534,540,582,588,602
%N A121492 Gaps associated with A002540(n).
%C A121492 Record gaps between prime powers (A000961) [Michael Porter (michael_b_porter(AT)yahoo.com), 
               Nov 01 2009].
%H A121492 Donovan Johnson, <a href="b121492.txt">Table of n, a(n) for n=1..79</
               a> [From Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 14 2008]
%e A121492 6 is in the sequence since 53 and 59 are consecutive prime powers and 
               no smaller pair of consecutive prime powers differ by 6 or more. 
               [From Michael Porter (michael_b_porter(AT)yahoo.com), Nov 03 2009]
%o A121492 (PARI) isA000961(n) = (omega(n) == 1 | n == 1)
%o A121492 d_max=0;n_prev=1;for(n=2,1e6,if(isA000961(n),d=n-n_prev;if(d>d_max,print(d); 
               d_max=d);n_prev=n)) /* Michael Porter (michael_b_porter(AT)yahoo.com), 
               Nov 01 2009 */
%o A121492 Contribution from Michael Porter (michael_b_porter(AT)yahoo.com), Nov 
               03 2009: (Start)
%o A121492 (PARI) isA000961(n) = (omega(n) == 1 | n == 1)
%o A121492 d_max=0; n_prev=1; for(n=2, 1e6, if(isA000961(n), d=n-n_prev; if(d>d_max, 
               print(d); d_max=d); n_prev=n)) (End)
%Y A121492 Cf. A002540, A167236, A057820, A000961 [Michael Porter (michael_b_porter(AT)yahoo.com), 
               Nov 01 2009]
%Y A121492 start of gap: A002540, end of gap: A167236, gaps: A057820 [From Michael 
               Porter (michael_b_porter(AT)yahoo.com), Nov 03 2009]
%Y A121492 Sequence in context: A029032 A059809 A144043 this_sequence A078931 A003401 
               A064481
%Y A121492 Adjacent sequences: A121489 A121490 A121491 this_sequence A121493 A121494 
               A121495
%K A121492 nonn
%O A121492 1,2
%A A121492 Lekraj Beedassy (blekraj(AT)yahoo.com), Aug 03 2006
%E A121492 Second term corrected. a(20)-a(79) and b-file from Donovan Johnson (donovan.johnson(AT)yahoo.com), 
               Nov 14 2008