OFFSET
1,2
REFERENCES
Amarnath Murthy, An Interesting result in Combinatorics, Mathematics and Informatics Quarterly, 3/99, vol. 9, Bulgaria.
EXAMPLE
a(10) = floor(1+10)/2 =5. a(12) = 9: the distinct numbers formed by the digits of 12 are 1, 2, 12, 21. The arithmetic mean of these numbers is 36/4 = 9.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, May 06 2001
EXTENSIONS
Corrected and extended by Asher Auel, May 14, 2001
Name corrected by Sean A. Irvine, Feb 18 2023
STATUS
approved