[seqfan] Is this true? (product of the last 2 digits of S)

Eric Angelini Eric.Angelini at kntv.be
Thu Jul 31 18:16:43 CEST 2014


Hello SeqFans,
For n>2, a(n) is the product of the last 2 digits of S and
S is the lexicographically first sequence showing at least
once the 10 digits.

S = 0,517,7,49,36,18,8,64,24,8,32,6,12,2,4,8,32,6,12,2,4,8,32,6,12,
                         2,4,8,32,6,12,2,4,8,32,6,12,2,4,8,32,6,12,
                         2,4,8,32,6,12,2,4,8,32,6,12,2,4,8,32,6,12,...
Best,
É.



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