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 A348442 #8 Oct 21 2021 14:18:28 %S A348442 1,2,4,6,10,12,15,20,24,28,32,40,42,45,48,60,70,72,78,84,98,104,108, %T A348442 110,120,132,143,144,147,152,160,168,189,190,198,204,209,228,234,240, %U A348442 256,272,280,300,304,306,323,342,360,364,378,392,420,425,450,456,460,475,500,504,506,525,550,552,575 %N A348442 Records in A088178. %H A348442 Chai Wah Wu, <a href="/A348442/b348442.txt">Table of n, a(n) for n = 1..3000</a> %o A348442 (Python) %o A348442 from itertools import islice %o A348442 def A348442(): # generator of terms %o A348442 yield 1 %o A348442 c, p, a = 1, {1}, 1 %o A348442 while True: %o A348442 n, na = 1, a %o A348442 while na in p: %o A348442 n += 1 %o A348442 na += a %o A348442 p.add(na) %o A348442 a = n %o A348442 if c < na: %o A348442 c = na %o A348442 yield c %o A348442 A348442_list = list(islice(A348442(),100)) # _Chai Wah Wu_, Oct 21 2021 %Y A348442 Cf. A088177, A088178, A348440-A348443. %K A348442 nonn %O A348442 1,2 %A A348442 _N. J. A. Sloane_, Oct 21 2021