cp's OEIS Frontend

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.

A348440 Records in A088177.

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%I A348440 #20 Oct 23 2021 03:22:03
%S A348440 1,2,3,5,6,7,11,12,13,17,19,23,25,29,31,37,41,43,47,53,59,61,67,71,73,
%T A348440 79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,
%U A348440 173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293
%N A348440 Records in A088177.
%C A348440 Apparently the terms agree with the prime numbers A000040, beginning at 29. - _Hugo Pfoertner_, Oct 21 2021
%H A348440 Chai Wah Wu, <a href="/A348440/b348440.txt">Table of n, a(n) for n = 1..10000</a>
%t A348440 Block[{c, m = 1, n}, Union@ FoldList[Max, {1}~Join~Reap[Do[n = 1; While[IntegerQ[c[m n]], n++]; Sow[n]; Set[c[m n], 1]; m = n, 2^12]][[-1, -1]]]] (* _Michael De Vlieger_, Oct 21 2021 *)
%o A348440 (Python)
%o A348440 from itertools import islice
%o A348440 def A348440(): # generator of terms
%o A348440     yield 1
%o A348440     c, p, a = 1, {1}, 1
%o A348440     while True:
%o A348440         n, na = 1, a
%o A348440         while na in p:
%o A348440             n += 1
%o A348440             na += a
%o A348440         p.add(na)
%o A348440         a = n
%o A348440         if c < n:
%o A348440             c = n
%o A348440             yield c
%o A348440 A348440_list = list(islice(A348440(),100)) # _Chai Wah Wu_, Oct 21 2021
%Y A348440 Cf. A088177, A088178, A348441.
%K A348440 nonn
%O A348440 1,2
%A A348440 _N. J. A. Sloane_, Oct 21 2021