OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
P. A. Loomis, An Introduction to Digit Product Sequences, J. Rec. Math., 32 (2003-2004), 147-151.
P. A. Loomis, An Introduction to Digit Product Sequences, J. Rec. Math., 32 (2003-2004), 147-151. [Annotated archived copy]
MAPLE
See A232486.
MATHEMATICA
NestList[#+Times@@Select[IntegerDigits[#], #>0&]&, 5, 50] (* Harvey P. Dale, Jul 07 2020 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Nov 29 2013
STATUS
approved