OFFSET
0,1
REFERENCES
Andrew Hodges, Alan Turing: The Enigma, Princeton University Press, 2014. See p. 153.
EXAMPLE
0.5306060020040180205392380401375136062570353650803356... whose decimal expansion is given by the decimal digits on the diagonal of the list of rational numbers given by A182972 and A182973:
.5000000000000000000...
.3333333333333333333...
.2500000000000000000...
.6666666666666666667...
.2000000000000000000...
.1666666666666666667...
.4000000000000000000...
.7500000000000000000...
.1428571428571428571...
.6000000000000000000...
.1250000000000000000...
.2857142857142857143...
.8000000000000000000...
.1111111111111111111...
.4285714285714285714...
.1000000000000000000...
...
MATHEMATICA
PROG
(Python)
from itertools import count, islice
from math import gcd
def A365075_gen(): # generator of terms
c = 1
for n in count(2):
for i in range(1, 1+(n-1>>1)):
if gcd(i, n-i)==1:
c *= 10
yield (i*c//(n-i))%10
CROSSREFS
KEYWORD
AUTHOR
Stefano Spezia, Aug 20 2023
EXTENSIONS
Data checked by Chai Wah Wu and corrected by Stefano Spezia, Aug 29 2023
STATUS
approved