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.

A366868 a(n) = A366470(A366864(n)-1).

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%I A366868 #10 Oct 26 2023 10:26:30
%S A366868 0,1,0,1,6,1,6,15,24,29,22,1,0,7,6,11,48,109,0,7,66,155,54,21,16,11
%N A366868 a(n) = A366470(A366864(n)-1).
%C A366868 Terms of A366470 at the end of a segment. Some values, e.g. 0, 1, 6, 7, 11, occur multiple times. Will they occur infinitely often?
%o A366868 (Python)
%o A366868 from itertools import count, islice
%o A366868 from sympy import nextprime
%o A366868 def A366868_gen(): # generator of terms
%o A366868     a, aset, p = 1, {0,1}, 2
%o A366868     for i in count(3):
%o A366868         for b in count(a,p):
%o A366868             if b not in aset:
%o A366868                 aset.add(b)
%o A366868                 c = b%(p:=nextprime(p))
%o A366868                 if c > a:
%o A366868                     yield a
%o A366868                 a = c
%o A366868                 break
%o A366868 A366868_list = list(islice(A366868_gen(),20))
%Y A366868 Cf. A364054, A366470, A366864, A366869.
%K A366868 nonn,more
%O A366868 1,5
%A A366868 _Chai Wah Wu_, Oct 25 2023