A219724 Denominators of convergents to log_10(Pi).

1, 2, 175, 702, 877, 1579, 2456, 11403, 595412, 1202227, 1797639, 98274733, 198347105, 1883398678, 2081745783, 6046890244, 8128636027, 22304162298, 75041122921, 922797637350, 997838760271, 1920636397621, 4839111555513, 11598859508647, 16437971064160

Offset

1,2

Comments

Pi^a(n) gets increasingly close to 10^A219723(n).

Links

Table of n, a(n) for n=1..25.

Eric Weisstein's World of Mathematics, Pi

Example

0, 1/2, 87/175, 349/702, 436/877, 785/1579, 1221/2456, 5669/11403, ....

Mathematica

Denominator@Convergents[Log[10, Pi], 25]

Crossrefs

Cf. A053511 (decimal), A219723 (numerators).

Sequence in context: A193638 A215123 A321634 * A103427 A216355 A139942

Adjacent sequences: A219721 A219722 A219723 * A219725 A219726 A219727

Keyword

easy,frac,nonn

Author

Arkadiusz Wesolowski, Nov 26 2012

Status

approved