A096463 Denominators of convergents to Pi/2.

1, 2, 7, 219, 226, 32989, 33215, 165849, 364913, 3085153, 3450066, 23785549, 27235615, 78256779, 262005952, 340262731, 1623056876, 1963319607, 11439654911, 13402974518, 560961610149, 574364584667, 1709690779483

Offset

1,2

Links

Table of n, a(n) for n=1..23.

I. Rosenholtz, Tangent sequences, world records, ..., Math. Mag., 72 (No. 5, 1999), 367-376.

Example

1, 2, 3/2, 11/7, 344/219, 355/226, ...

Crossrefs

Cf. A096456, A053300.

Sequence in context: A333740 A306951 A181864 * A048560 A261267 A020459

Adjacent sequences: A096460 A096461 A096462 * A096464 A096465 A096466

Keyword

nonn,frac,easy

Author

N. J. A. Sloane, Aug 16 2004

Extensions

More terms from Matthew Conroy, Jan 16 2006

Status

approved