OFFSET
1,1
COMMENTS
Euler and Sadek ask whether the sequence, interpreted as the decimal expansion N = 0.49591..., is rational or irrational. - Charles R Greathouse IV, Apr 19 2010
REFERENCES
R. Euler and J. Sadek, A number that gives the unit digit of n^n. Journal of Recreational Mathematics, 29:3 (1998), pp. 203-204. [From Charles R Greathouse IV, Apr 19 2010]
FORMULA
MAPLE
MATHEMATICA
Mod[Prime[Range[110]]^2, 10] (* Harvey P. Dale, Jan 20 2022 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Paul Curtz, Apr 29 2008
EXTENSIONS
More terms from R. J. Mathar, May 03 2008
STATUS
approved