[seqfan] Re: Verifying A074871, iteration of sum-of-digits(n)+product-of-digits(n)

N. J. A. Sloane njas at research.att.com
Tue Oct 12 15:15:34 CEST 2010

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Richard, I agree with your comments on A074871.
I will edit the entry.

 Best regards
 			 Neil

Previous message (by thread): [seqfan] Verifying A074871, iteration of sum-of-digits(n)+product-of-digits(n)
Next message (by thread): [seqfan] Exchange rightmost two base-4 digits of n>1; a(0)=0, a(1)=4. (base 4 analogue of what A181099 is in base 3, and A080412 is base 2
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