A073527 Numbers n such that denominator of Sum_{k=1..n} 1/k^2 is not a square.
10, 11, 12, 13, 14, 20, 21, 22, 23, 24, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109
Offset: 1
Extensions
More terms from Matthew Conroy, Sep 09 2002