0,2

Let G = {1,3,7,9} ; Let the binary operator o be defined as: X o Y = least significant digit of the product XY, where X,Y belong to G. Then (G,o) is an Abelian group and 3 is a generator of this group. [From Kailasam Viswanathan Iyer (kvi(AT)nitt.edu), Apr 19 2009]

Index entries for sequences related to final digits of numbers

(Other) sage: [power_mod(3, n, 10)for n in xrange(0, 81)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Nov 24 2009]

Sequence in context: A134693 A096948 A016676 this_sequence A011318 A046261 A074806

Adjacent sequences: A001145 A001146 A001147 this_sequence A001149 A001150 A001151

nonn,new

N. J. A. Sloane (njas(AT)research.att.com).