[seqfan] close sequences
Christian G.Bower
bowerc at usa.net
Mon Aug 3 16:24:59 CEST 1998
I confused at least one seqfan with my posting, so I'll clarify it for everyone else.
> Can calculate A025699 as follows:
> Write the powers of 3 in base 8.
> Add up all the digits:
>
> 3^n (base 8) sum of digits
> 1 1
> 3 2
> 11 4
> 33 6
> 121 9
> 363 12
> 1331 16
> ...
> 754502703 90
> 2705710511 100
> 10521531733 111
> ...
I meant to say "count the digits" as in:
1: 1 digit
1,3: 2 digits
1,3,11: 4 digits
1,3,11,33: 6 digits
etc.
Christian
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