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A100799 a(1) = 1, a(2) = 2, a(n) = product of nonzero digits of previous two terms. 0
1, 2, 2, 4, 8, 32, 48, 192, 576, 3780, 35280, 40320, 5760, 5040, 4200, 160, 48, 192, 576, 3780, 35280, 40320, 5760, 5040, 4200, 160, 48, 192, 576, 3780, 35280, 40320, 5760, 5040, 4200, 160, 48, 192, 576, 3780, 35280, 40320, 5760, 5040, 4200, 160, 48 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Pattern of ten terms repeats beginning with a(7)=48.

LINKS

Table of n, a(n) for n=1..47.

CROSSREFS

Sequence in context: A032439 A096096 A300759 * A070323 A109213 A109214

Adjacent sequences:  A100796 A100797 A100798 * A100800 A100801 A100802

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy, Dec 17 2004

EXTENSIONS

Corrected and extended by Ray Chandler, Dec 19 2004

STATUS

approved

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Last modified September 27 09:09 EDT 2020. Contains 337380 sequences. (Running on oeis4.)