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 A032736 #8 Aug 13 2024 14:36:18
%S A032736 14612,27971,29289,33170,36186,38327,39608,40078,41165,41528,43277,
%T A032736 44657,47382,55553,55791,58899,60806,62318,63056,65970,66818,70558,
%U A032736 73851,80477,81167,83986,86145,89072,89280,90379,91538,93160,96222
%N A032736 a(n) cannot be prefixed or followed by any digit to form a prime ('empty' prefixes allowed).
%e A032736 60806 prefixed with a digit from ('',1,2,3,4,5,6,7,8,9) and followed by a digit from (1,3,7,9) never yields a prime: '_'60806'3' = 43 x 79 x 179; '1'14612'3' = 3^3 x 11 x 17 x 227.
%Y A032736 Cf. A032682-A032685 and A032702-A032733.
%K A032736 nonn,base
%O A032736 1,1
%A A032736 _Patrick De Geest_, May 15 1998
%E A032736 Offset changed by _Andrew Howroyd_, Aug 13 2024