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.

A345183 Numbers that are the sum of five third powers in eight or more ways.

This page as a plain text file.
%I A345183 #6 Aug 05 2021 15:25:47
%S A345183 4392,4915,5139,5256,5321,5624,5643,5678,5741,5769,5797,5832,5860,
%T A345183 5914,6075,6112,6138,6202,6462,6497,6499,6560,6588,6616,6642,6651,
%U A345183 6677,6833,6859,6884,6947,7001,7008,7038,7057,7064,7099,7111,7128,7155,7190,7218,7316
%N A345183 Numbers that are the sum of five third powers in eight or more ways.
%H A345183 David Consiglio, Jr., <a href="/A345183/b345183.txt">Table of n, a(n) for n = 1..10000</a>
%e A345183 4915 is a term because 4915 = 1^3 + 2^3 + 7^3 + 12^3 + 12^3  = 1^3 + 3^3 + 7^3 + 9^3 + 14^3  = 1^3 + 8^3 + 8^3 + 11^3 + 11^3  = 2^3 + 4^3 + 6^3 + 6^3 + 15^3  = 3^3 + 3^3 + 5^3 + 7^3 + 15^3  = 3^3 + 3^3 + 10^3 + 11^3 + 11^3  = 4^3 + 6^3 + 6^3 + 8^3 + 14^3  = 8^3 + 8^3 + 8^3 + 9^3 + 11^3.
%o A345183 (Python)
%o A345183 from itertools import combinations_with_replacement as cwr
%o A345183 from collections import defaultdict
%o A345183 keep = defaultdict(lambda: 0)
%o A345183 power_terms = [x**3 for x in range(1, 1000)]
%o A345183 for pos in cwr(power_terms, 5):
%o A345183     tot = sum(pos)
%o A345183     keep[tot] += 1
%o A345183 rets = sorted([k for k, v in keep.items() if v >= 8])
%o A345183 for x in range(len(rets)):
%o A345183     print(rets[x])
%Y A345183 Cf. A344801, A344944, A345152, A345180, A345184, A345185, A345517.
%K A345183 nonn
%O A345183 1,1
%A A345183 _David Consiglio, Jr._, Jun 10 2021