A080016 Numerators of the convergents to the continued fraction of Pi^2/6.
1, 2, 3, 5, 23, 51, 227, 1640, 1867, 9108, 20083, 69357, 297511, 3044467, 3341978, 9728423, 13070401, 22798824, 35869225, 560837199, 596706424, 2350956471, 14702445250
Offset: 0