OFFSET
1,1
COMMENTS
Approximates Pi, correct to 7 digits.
LINKS
Paolo Xausa, Table of n, a(n) for n = 1..10000
David H. Bailey and Jonathan M. Borwein, Experimental Mathematics: Examples, Methods and Implications, Notices of the American Mathematical Society, May 2005, Vol. 52, No. 5, p. 511.
Jonathan M. Borwein, The Experimental Mathematician: the Pleasure of Discovery and the Role of Proof, International Journal of Computers for Mathematical Learning, Vol. 10 (2005), p. 97.
EXAMPLE
3.1415927300133056603139961890252155185995816071100335596565...
MATHEMATICA
First[RealDigits[Sqrt[2]*9801/4412, 10, 100]]
PROG
(Python)
from math import isqrt
def A374322(n): return isqrt(10**(n-1<<1)*96059601//9732872)%10 # Chai Wah Wu, Jul 04 2024
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Paolo Xausa, Jul 04 2024
STATUS
approved