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 A124946 #8 Oct 11 2013 11:17:50 %S A124946 268992,338976,516375,675783,922176,984375,1060695,1107351,1164375, %T A124946 1216215,1233216,1361367,1388736,1458720,1668672,1843632,1877175, %U A124946 2018592,2075463,2317491,2333520,2395575,2440935,2457936,2495367,2499255,2546775,2559375,2811744 %N A124946 n and n+9 are 9-almost primes. %C A124946 First term 268992 = A098515(9). %C A124946 The first term not divisible by 9 is a(163) = 9384375. The first term not divisible by 3 is a(193) = 10504375. - _Charles R Greathouse IV_, Oct 11 2013 %H A124946 Charles R Greathouse IV, <a href="/A124946/b124946.txt">Table of n, a(n) for n = 1..10000</a> %e A124946 268992=2^6*3^2*467, 268992+9=269001=3^8*41; %e A124946 338976=2^5*3^2*11*107, 338976+9=338985=3^7*5*31. %o A124946 (PARI) isok(n) = (bigomega(n) == 9) && (bigomega(n+9) == 9); \\ _Michel Marcus_, Oct 11 2013 %Y A124946 Cf. A098515, A124940, A124941, A124942, A124945. %K A124946 nonn %O A124946 1,1 %A A124946 _Zak Seidov_, Nov 13 2006 %E A124946 More terms from _Michel Marcus_, Oct 11 2013