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.

A282384 Numbers n such that the decimal expansion of n^2 contains n+1.

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%I A282384 #11 Oct 22 2018 22:33:17
%S A282384 11,76,101,759,1001,2434,3826,5618,10001,36559,47576,62511,67947,
%T A282384 68443,82621,100001,105125,312511,684429,880618,1000001,4687499,
%U A282384 5123596,7130618,8703826,10000001,26452434,33620473,38837976,39904875,43605459,54687499,86421306,100000001
%N A282384 Numbers n such that the decimal expansion of n^2 contains n+1.
%C A282384 a(n)^2 is a subsequence of A186774, in particular A186774(a(n)) = a(n)^2. For k > 0, 10^k+1 is a term.
%H A282384 Chai Wah Wu, <a href="/A282384/b282384.txt">Table of n, a(n) for n = 1..70</a>
%e A282384 76 is a term since 76^2 = 5776 contains 77 = 76+1.
%o A282384 (Python)
%o A282384 A282384_list = [i for i in range(1,10**6) if str(i+1) in str(i**2)]
%Y A282384 Cf. A186774.
%K A282384 nonn
%O A282384 1,1
%A A282384 _Chai Wah Wu_, Feb 13 2017