# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a345183 Showing 1-1 of 1 %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., Table of n, a(n) for n = 1..10000 %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 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE