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.

A045760 Smallest Maris-McGwire k-tuple (k>1) for each k: f(n) = f(n+1) = ... = f(n+k-1), where f is defined in comments.

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%I A045760 #22 Jul 06 2024 11:54:31
%S A045760 7,212,8126,241995,3539990,1330820,12222533493,3249880870
%N A045760 Smallest Maris-McGwire k-tuple (k>1) for each k: f(n) = f(n+1) = ... = f(n+k-1), where f is defined in comments.
%C A045760 A045759 generalizes to k consecutive integers that all have the same value of f(n), where f(n) = sum of digits of n plus sum of digits in prime factors of n. The sequence shows the integer which starts the smallest set of k (and no more than k) consecutive integers having this property.
%H A045760 H. Havermann, <a href="http://chesswanks.com/pxp/seven.html">Maris-McGwire-Sosa 7-tuples, 8-tuples and 9-tuples</a>
%Y A045760 Cf. A045759, A006145.
%K A045760 nonn,more,base
%O A045760 2,1
%A A045760 _Mike Keith_
%E A045760 Two more terms from _Hans Havermann_, Dec 13 2000
%E A045760 Offset changed to 2 by _Hans Havermann_, Jun 22 2014