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.

A086083 Primitive members of A084687. That is, members which cannot be generated by inserting digits into previous members in recognized patterns.

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%I A086083 #5 Jun 08 2025 16:15:42
%S A086083 9513,81816,94143,888216,2491578,49827156,87127446,617283945,
%T A086083 864197523,987654312,8564198223
%N A086083 Primitive members of A084687. That is, members which cannot be generated by inserting digits into previous members in recognized patterns.
%C A086083 Based on the first 2591 terms of A084687.
%e A086083 a(3) = 94143 because 94143 cannot be generated by inserting digits into any previous term. A084687's a(17) (246913578) is excluded because it can be generated from a(5) (2491578) by inserting a 6 in the third position from the left and inserting a 3 in the fourth position from the right.
%Y A086083 Cf. A084687.
%K A086083 more,nonn,base
%O A086083 1,1
%A A086083 _Chuck Seggelin_, Jul 11 2003
%E A086083 Edited by _Charles R Greathouse IV_, Aug 03 2010