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.

A345174 Numbers that are the sum of five third powers in six or more ways.

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%I A345174 #6 Aug 05 2021 15:25:38
%S A345174 2430,2979,3214,3249,3312,3492,3520,3737,3753,3788,3816,3842,3942,
%T A345174 3968,4121,4185,4213,4267,4355,4392,4411,4418,4446,4453,4456,4465,
%U A345174 4472,4482,4509,4544,4563,4600,4626,4663,4670,4723,4753,4896,4905,4915,4924,4938,4941
%N A345174 Numbers that are the sum of five third powers in six or more ways.
%H A345174 David Consiglio, Jr., <a href="/A345174/b345174.txt">Table of n, a(n) for n = 1..10000</a>
%e A345174 2430 is a term because 2430 = 1^3 + 2^3 + 2^3 + 5^3 + 12^3  = 1^3 + 3^3 + 4^3 + 7^3 + 11^3  = 2^3 + 2^3 + 6^3 + 6^3 + 11^3  = 2^3 + 3^3 + 3^3 + 9^3 + 10^3  = 3^3 + 5^3 + 8^3 + 8^3 + 8^3  = 3^3 + 4^3 + 7^3 + 8^3 + 9^3.
%o A345174 (Python)
%o A345174 from itertools import combinations_with_replacement as cwr
%o A345174 from collections import defaultdict
%o A345174 keep = defaultdict(lambda: 0)
%o A345174 power_terms = [x**3 for x in range(1, 1000)]
%o A345174 for pos in cwr(power_terms, 5):
%o A345174     tot = sum(pos)
%o A345174     keep[tot] += 1
%o A345174 rets = sorted([k for k, v in keep.items() if v >= 6])
%o A345174 for x in range(len(rets)):
%o A345174     print(rets[x])
%Y A345174 Cf. A343989, A344799, A344940, A345148, A345175, A345180, A345515.
%K A345174 nonn
%O A345174 1,1
%A A345174 _David Consiglio, Jr._, Jun 10 2021