0,1
The original definition, "Exponents of generalized rep-units in base 11", lacks the requirement of primality. - M. F. Hasler, Mar 19 2013
Table of n, a(n) for n=0..9.
Sequence in context: A119768 A005808 A180559 * A210242 A165320 A132242
Adjacent sequences: A028486 A028487 A028488 * A028490 A028491 A028492
nonn,dead
Jean-Yves Perrier (nperrj(AT)ascom.ch)
approved