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 A322101 Numbers whose square can be written as the average of two positive cubes in more than one way. 0
 19494, 155952, 447174, 526338, 1247616, 1788696, 2436750, 3577392, 4210704, 5978882, 6686442, 8596854, 9142686, 9344846, 9980928, 11973150, 12073698, 14211126, 14309568, 16875664, 19494000, 25946514, 28619136, 30955750, 33685632, 33957846, 42828318, 47831056 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The first square with 3 representations is that of a(103) = 835805250, which can be written as (139650^3 + 1117200^3)/2, (395010^3 + 1101240^3)/2, and (628425^3 + 1047375^3)/2. LINKS Table of n, a(n) for n=1..28. EXAMPLE 19494 is a term because 19494^2 can be written as (114^3 + 912^3)/2 and (513^3 + 855^3)/2. CROSSREFS Cf. A186885, A267477. Sequence in context: A345574 A345575 A345831 * A206274 A033869 A031801 Adjacent sequences: A322098 A322099 A322100 * A322102 A322103 A322104 KEYWORD nonn AUTHOR Giovanni Resta, Nov 26 2018 STATUS approved

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Last modified June 9 23:28 EDT 2023. Contains 363183 sequences. (Running on oeis4.)