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 A344034 Numbers that are the sum of five positive cubes in four or more ways. 8
 1252, 1376, 1461, 1522, 1548, 1585, 1590, 1646, 1702, 1709, 1737, 1739, 1765, 1772, 1798, 1802, 1810, 1864, 1889, 1954, 1980, 1987, 2006, 2033, 2043, 2081, 2096, 2104, 2152, 2160, 2195, 2225, 2241, 2250, 2251, 2276, 2313, 2322, 2339, 2341, 2367, 2374, 2377, 2416, 2423, 2430, 2449, 2456, 2458, 2465, 2467, 2486 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS David Consiglio, Jr., Table of n, a(n) for n = 1..20000 EXAMPLE 1461 = 1^3 + 1^3 + 1^3 + 9^3 + 9^3 = 1^3 + 1^3 + 4^3 + 4^3 + 11^3 = 3^3 + 3^3 + 4^3 + 7^3 + 10^3 = 6^3 + 6^3 + 7^3 + 7^3 + 7^3 so 1461 is a term of this sequence. PROG (Python) from itertools import combinations_with_replacement as cwr from collections import defaultdict keep = defaultdict(lambda: 0) power_terms = [x**3 for x in range(1, 50)] for pos in cwr(power_terms, 5): tot = sum(pos) keep[tot] += 1 rets = sorted([k for k, v in keep.items() if v >= 4]) for x in range(len(rets)): print(rets[x]) CROSSREFS Cf. A343704, A343971, A343989, A344035, A344354, A344797, A345513. Sequence in context: A288354 A186477 A045186 * A344035 A265970 A264291 Adjacent sequences: A344031 A344032 A344033 * A344035 A344036 A344037 KEYWORD nonn AUTHOR David Consiglio, Jr., May 07 2021 STATUS approved

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Last modified July 23 10:51 EDT 2024. Contains 374549 sequences. (Running on oeis4.)