A196222 a(n) = A047726(n)^A047726(n), where A047726(n) is the number of numbers which can be written with n's digits.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 27, 27, 46656

Offset

0,11

Comments

Suggested by Franklin T. Adams-Watters and N. J. A. Sloane in analogy to A138908.

Links

Table of n, a(n) for n=0..102.

Crossrefs

Cf. A138902, A138908.

Sequence in context: A327304 A117445 A145079 * A035646 A144034 A366887

Adjacent sequences: A196219 A196220 A196221 * A196223 A196224 A196225

Keyword

nonn,base

Author

M. F. Hasler, Sep 29 2011

Status

approved