A166478 Minimum positive integer solution t of equation n=x*(x+1)/(t*(t+1)) where n is a nonsquare integer (see A000037).
2, 1, 2, 1, 2, 5, 1, 3, 2, 3, 5, 1, 12, 6, 4, 3, 1, 2, 9, 19, 2, 10, 1, 5, 4, 5, 237, 9, 14, 2, 30, 15, 10, 2, 6, 5, 6, 84, 1, 3, 20, 41, 3, 2, 5, 14, 209, 1, 6, 2, 11, 230, 13, 23, 27, 3, 56, 1, 24, 14, 5, 2, 8, 7, 8, 1634, 11, 6, 2, 1, 35, 71, 4, 36, 24, 5, 18, 12, 3, 9, 8, 1, 2, 6, 14, 17
Offset: 2
Keywords
Examples
For n=14, t=5 gives corresponding value x=20 since 14=20*21/(5*6).
Extensions
Deleted a 1 between 2 and 30. - R. J. Mathar, Oct 23 2010