OFFSET
6,12
COMMENTS
LINKS
Paolo Xausa, Table of n, a(n) for n = 6..10000
J. M. Borwein and P. B. Borwein, Strange Series and High Precision Fraud, The American Mathematical Monthly, Vol. 99, No. 7 (1992), pp. 622-640.
Zachary P. Bradshaw and Christophe Vignat, Dubious Identities: A Visit to the Borwein Zoo, arXiv:2307.05565v1 [math.HO], 2023.
FORMULA
Approximately 11111111111/110000, correct to 109 digits: see Entry 5 in Bradshaw and Vignat (2023), pp. 1 and 10-12.
EXAMPLE
101010.10100909090909090909090909090909090909090909090909090...
MATHEMATICA
First[RealDigits[Sum[(10^5*Count[IntegerDigits[k], _?EvenQ] - Count[IntegerDigits[k], _?OddQ]/10^5)/10^k, {k, 0, 100}], 10, 100]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Paolo Xausa, May 17 2024
STATUS
approved