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 A348443 #7 Oct 21 2021 13:19:29 %S A348443 1,2,3,4,7,9,11,12,14,21,22,23,27,29,33,34,36,40,53,54,55,63,65,67,69, %T A348443 70,72,77,93,96,99,100,101,108,111,119,121,122,124,130,131,132,140, %U A348443 147,149,151,153,154,156,217,237,238,239,257,258,260,263,265,266,268,272,274,275,277,279,280 %N A348443 Indices of records in A088178. %H A348443 Chai Wah Wu, <a href="/A348443/b348443.txt">Table of n, a(n) for n = 1..3000</a> %o A348443 (Python) %o A348443 from itertools import islice %o A348443 def A348443(): # generator of terms %o A348443 yield 1 %o A348443 c, p, a, i = 1, {1}, 1, 1 %o A348443 while True: %o A348443 n, na = 1, a %o A348443 while na in p: %o A348443 n += 1 %o A348443 na += a %o A348443 p.add(na) %o A348443 a = n %o A348443 i += 1 %o A348443 if c < na: %o A348443 c = na %o A348443 yield i %o A348443 A348443_list = list(islice(A348443(),100)) # _Chai Wah Wu_, Oct 21 2021 %Y A348443 Cf. A088177, A088178, A348440-A348442. %K A348443 nonn %O A348443 1,2 %A A348443 _N. J. A. Sloane_, Oct 21 2021