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 A144565 #9 Dec 15 2020 09:10:11 %S A144565 12,30,35,57,110,130,170,190,230,290,310,370,410,430,447,453,459,561, %T A144565 567,671,730,779,783,789,897,1010,1030,1070,1090,1113,1127,1131,1137, %U A144565 1139,1149,1510,1570,1630,1670,1730,1790,1810,1910,1930,1970,1990,2110 %N A144565 a(n) is the smallest composite number > a(n-1) that contains the n-th prime as a substring. %F A144565 a(n) <= 10*n. [_Reinhard Zumkeller_, May 16 2010] %e A144565 S = 12,30,35,57,110,130,170,190,230,290,310,370,410,430,447,... %e A144565 p = .2.3...5..7.11..13..17..19..23..29..31..37..41..43...47... %Y A144565 Cf. A169798. %Y A144565 Cf. A177981, A177982. [_Reinhard Zumkeller_, May 16 2010] %K A144565 nonn,base %O A144565 1,1 %A A144565 _Eric Angelini_, May 01 2010 %E A144565 Typo in example corrected by _D. S. McNeil_, May 16 2010 %E A144565 Corrected and extended by _D. S. McNeil_ and _Reinhard Zumkeller_, May 16 2010