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 A102069 #11 Jan 07 2024 17:40:46
%S A102069 2,6,12,20,30,42,56,72,9,11,231,651,1271,2091,3111,4331,5751,7371,182,
%T A102069 24,264,704,1344,2184,3224,4464,5904,7544,276,39,299,759,1419,2279,
%U A102069 3339,4599,6059,7719,372,56,336,816,1496,2376,3456,4736,6216,7896,470,75,375
%N A102069 Analogous to the oblong (promic or heteromecic) sequence formed but with reversal digits of factors multiplied.
%F A102069 a(n) = R(n)*R(n+1), where R(n) is the digital reversal of n.
%t A102069 r[n_]:=FromDigits[Reverse[IntegerDigits[n]]];Table[r[n]*r[n+1],{n,51}] (* _James C. McMahon_, Jan 07 2024 *)
%Y A102069 Cf. A001129, A002378.
%K A102069 easy,nonn,base,less
%O A102069 1,1
%A A102069 _Michael Joseph Halm_, Feb 12 2005