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.

A212018 Integers m such that m^3 is the sum of two or more consecutive integer squares.

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%I A212018 #35 May 28 2025 17:39:40
%S A212018 1,11,26,47,65,66,109,921,935,1079,2161,2820,2860,5029,9105,10681,
%T A212018 12284,13156,16761,18340,41921,43500,61721,63765,64605,66317,75130,
%U A212018 99359,105731,116180,122009,146821,159371,218205,253393,260165,264680,269588,314919,403130,404326,420365
%N A212018 Integers m such that m^3 is the sum of two or more consecutive integer squares.
%C A212018 Integers m such that m^3 belongs to A212016.
%C A212018 Are there any squares besides 1 in this sequence?
%H A212018 Xianwen Wang, <a href="/A212018/b212018.txt">Table of n, a(n) for n = 1..146</a> (all terms up to 10^10).
%Y A212018 Subsequence of A212017.
%Y A212018 Cf. A062861, A212015, A212016.
%K A212018 nonn
%O A212018 1,2
%A A212018 _Max Alekseyev_, Apr 26 2012
%E A212018 a(39)-a(42) from _Xianwen Wang_, May 23 2025