OFFSET
1,1
COMMENTS
It is not known if a(n) actually exists for all n. If there are infinitely many Mersenne primes, then a(n) is defined for infinitely many n.
The corresponding multipliers for n = 1,2,...,7 are 1,1,1,1,1,5,1,1,1. (Computations done by Leon Witzman.)
LINKS
K. B. Stolarsky, Integers whose multiples have anomalous digital frequencies, Acta Arithmetica 38 (1980), 117-128, DOI:10.4064/aa-38-2-117-128.
FORMULA
A086342(a(n)) = n. - Rémy Sigrist, Jul 06 2019
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
Jeffrey Shallit, Jun 20 2019
STATUS
approved