a(n) = floor(log_10(1/error(n))), where error(n) is the error in the n-th iteration of the Salamin-Brent algorithm for computing Pi.

A276778

a(n) = floor(log_10(1/error(n))), where error(n) is the error in the n-th iteration of the Salamin-Brent algorithm for computing Pi.

Terms

    a(0) =1a(1) =4a(2) =9a(3) =20a(4) =42a(5) =85a(6) =173a(7) =347a(8) =697a(9) =1395a(10) =2792a(11) =5587a(12) =11175a(13) =22352a(14) =44706a(15) =89414a(16) =178830a(17) =357661a(18) =715324a(19) =1430650a(20) =2861303a(21) =5722607a(22) =11445216a(23) =22890435a(24) =45780872a(25) =91561745a(26) =183123492a(27) =301029986a(28) =301029986

External references