A356670 a(n) is the number of correct decimal digits of Pi obtained from the fraction A355622(n)/A355623(n).

0, 2, 3, 2, 4, 4, 7, 8, 8, 10, 10, 11, 11, 14, 14, 15, 16, 18, 18, 18, 19, 20, 22

Offset

1,2

Links

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

Example

a(9) = 8 since A355622(9)/A355623(9) = 422334431/134433224 = 3.1415926690860... matches the first 8 digits of Pi: 3.1415926535897...

Crossrefs

Cf. A000796, A355622, A355623, A356671.

Sequence in context: A364464 A120680 A360104 * A071494 A326764 A071495

Adjacent sequences: A356667 A356668 A356669 * A356671 A356672 A356673

Keyword

nonn,base,more

Author

Stefano Spezia, Aug 22 2022

Extensions

a(19)-a(22) from Stefano Spezia, Oct 13 2022

Status

approved