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 A147967 #10 Nov 22 2021 10:50:07
%S A147967 0,2,3,12,5,18,7,24,45,10,55,36,13,42,75,80,17,90,57,20,105,66,115,
%T A147967 168,75,26,81,28,87,390,93,160,33,306,35,180,185,114,195,200,41,378,
%U A147967 43,132,45,506,517,144,49,150,255,52,477
%N A147967 a(n) = n*(A001223(n)-1) = n*A046933(n).
%H A147967 Harvey P. Dale, <a href="/A147967/b147967.txt">Table of n, a(n) for n = 1..1000</a>
%t A147967 Module[{nn=60,gps},gps=Differences[Prime[Range[nn+1]]]-1;Times@@@ Thread[ {Range[nn],gps}]] (* _Harvey P. Dale_, Nov 07 2020 *)
%Y A147967 Cf. A001223 ("gap" with its usual meaning), A046933, A141042, A147965, A147966.
%K A147967 easy,nonn
%O A147967 1,2
%A A147967 _Omar E. Pol_, Nov 17 2008
%E A147967 Definition clarified by _N. J. A. Sloane_, Nov 22 2021 at the suggestion of _Harvey P. Dale_.