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.

A345187 Numbers that are the sum of five third powers in ten or more ways.

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%I A345187 #6 Aug 05 2021 15:25:56
%S A345187 5860,6588,6651,6859,6947,8056,8289,8371,8506,8569,8758,9045,9080,
%T A345187 9099,9108,9227,9414,9612,9801,9829,9864,10009,10018,10044,10277,
%U A345187 10466,10485,10522,10529,10800,10963,10970,10979,11008,11017,11061,11089,11152,11241,11385
%N A345187 Numbers that are the sum of five third powers in ten or more ways.
%H A345187 David Consiglio, Jr., <a href="/A345187/b345187.txt">Table of n, a(n) for n = 1..10000</a>
%e A345187 6588 is a term because 6588 = 1^3 + 3^3 + 5^3 + 7^3 + 17^3  = 1^3 + 4^3 + 6^3 + 13^3 + 14^3  = 1^3 + 5^3 + 8^3 + 8^3 + 16^3  = 1^3 + 10^3 + 10^3 + 11^3 + 12^3  = 2^3 + 2^3 + 9^3 + 12^3 + 14^3  = 2^3 + 3^3 + 8^3 + 11^3 + 15^3  = 3^3 + 8^3 + 8^3 + 11^3 + 14^3  = 3^3 + 3^3 + 5^3 + 10^3 + 16^3  = 5^3 + 5^3 + 8^3 + 10^3 + 15^3  = 8^3 + 9^3 + 10^3 + 10^3 + 12^3.
%o A345187 (Python)
%o A345187 from itertools import combinations_with_replacement as cwr
%o A345187 from collections import defaultdict
%o A345187 keep = defaultdict(lambda: 0)
%o A345187 power_terms = [x**3 for x in range(1, 1000)]
%o A345187 for pos in cwr(power_terms, 5):
%o A345187     tot = sum(pos)
%o A345187     keep[tot] += 1
%o A345187 rets = sorted([k for k, v in keep.items() if v >= 10])
%o A345187 for x in range(len(rets)):
%o A345187     print(rets[x])
%Y A345187 Cf. A341897, A344803, A345155, A345185, A345188, A345519.
%K A345187 nonn
%O A345187 1,1
%A A345187 _David Consiglio, Jr._, Jun 10 2021