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.

A161752 Numbers equal to the sum of a power of their digits where that power is not equal to the length of the number (i.e., A023052 excluding A005188).

This page as a plain text file.
%I A161752 #13 Mar 20 2025 10:01:26
%S A161752 4150,4151,194979,14459929,564240140138,233411150132317,
%T A161752 114735624485461118832514,832662335985815242605070,
%U A161752 832662335985815242605071,7584178683470015004720746
%N A161752 Numbers equal to the sum of a power of their digits where that power is not equal to the length of the number (i.e., A023052 excluding A005188).
%H A161752 Joseph Myers, <a href="/A161752/b161752.txt">Table of n, a(n) for n=1..166</a>
%H A161752 Shyam Sunder Gupta, <a href="https://doi.org/10.1007/978-981-97-2465-9_21">Digital Invariants and Narcissistic Numbers</a>, Exploring the Beauty of Fascinating Numbers, Springer (2025) Ch. 21, 513-526.
%H A161752 Harvey Heinz, <a href="http://www.magic-squares.net/narciss.htm#PDIs">Perfect Digital Invariants</a>
%e A161752 4150 = 4^5 + 1^5 + 5^5 + 0^5 and the exponent 5 is not equal to the length of the number (4).
%Y A161752 Cf. A005188, A023052.
%K A161752 base,nonn
%O A161752 1,1
%A A161752 _Hans Havermann_, Jun 18 2009