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 A181598 #18 Mar 11 2024 04:16:46 %S A181598 56,368,11096,17816,77744,128768,2087936,2291936,13174976,35021696, %T A181598 45335936,381236216,4856970752,6800228816,8589344768,1461083549696, %U A181598 1471763808896,2199013818368,19502341651712,118123076415296,933386556194816,144141575952121856,417857739454939136 %N A181598 Numbers m with divisor 8 | m and abundance sigma(m)-2*m = 8. %C A181598 a(19) > 10^13. - _Giovanni Resta_, Apr 02 2014 %F A181598 A088833 INTERSECT A008590. - _R. J. Mathar_, Nov 04 2010 %o A181598 (PARI) isok(n) = !(n % 8) && (sigma(n) - 2*n == 8); \\ _Michel Marcus_, Feb 08 2016 %Y A181598 Cf. A008590, A088833, A097498, A181595, A181596, A181597, A118372, A045768, A000396, A005101, A153501, A005820. %K A181598 nonn %O A181598 1,1 %A A181598 _Vladimir Shevelev_, Nov 01 2010 %E A181598 Definition rephrased by _R. J. Mathar_, Nov 04 2010 %E A181598 a(16)-a(17) from _Donovan Johnson_, Dec 08 2011 %E A181598 a(18) from _Giovanni Resta_, Apr 02 2014 %E A181598 a(19)-a(23) from the b-file at A088833 added by _Amiram Eldar_, Mar 11 2024