A322101 Numbers whose square can be written as the average of two positive cubes in more than one way.

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

Offset: 1

Author

Giovanni Resta, Nov 26 2018

Keywords

• nonn

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.

Examples

			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.