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.

A345185 Numbers that are the sum of five third powers in nine or more ways.

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%I A345185 #6 Aug 05 2021 15:25:51
%S A345185 5860,6112,6138,6462,6497,6588,6651,6859,6947,7001,7038,7057,7064,
%T A345185 7099,7190,7316,7328,7372,7433,7561,7587,7703,7759,7841,7902,8056,
%U A345185 8163,8289,8352,8371,8443,8506,8560,8569,8630,8632,8758,8928,8991,9017,9045,9080,9099
%N A345185 Numbers that are the sum of five third powers in nine or more ways.
%H A345185 David Consiglio, Jr., <a href="/A345185/b345185.txt">Table of n, a(n) for n = 1..10000</a>
%e A345185 6112 is a term because 6112 = 1^3 + 2^3 + 9^3 + 11^3 + 14^3  = 1^3 + 3^3 + 7^3 + 12^3 + 14^3  = 1^3 + 6^3 + 6^3 + 7^3 + 16^3  = 2^3 + 2^3 + 9^3 + 9^3 + 15^3  = 2^3 + 3^3 + 5^3 + 11^3 + 15^3  = 2^3 + 8^3 + 9^3 + 9^3 + 14^3  = 3^3 + 3^3 + 3^3 + 4^3 + 17^3  = 3^3 + 5^3 + 8^3 + 11^3 + 14^3  = 8^3 + 8^3 + 8^3 + 11^3 + 12^3.
%o A345185 (Python)
%o A345185 from itertools import combinations_with_replacement as cwr
%o A345185 from collections import defaultdict
%o A345185 keep = defaultdict(lambda: 0)
%o A345185 power_terms = [x**3 for x in range(1, 1000)]
%o A345185 for pos in cwr(power_terms, 5):
%o A345185     tot = sum(pos)
%o A345185     keep[tot] += 1
%o A345185 rets = sorted([k for k, v in keep.items() if v >= 9])
%o A345185 for x in range(len(rets)):
%o A345185     print(rets[x])
%Y A345185 Cf. A341891, A344802, A345146, A345183, A345186, A345187, A345518.
%K A345185 nonn
%O A345185 1,1
%A A345185 _David Consiglio, Jr._, Jun 10 2021