

A096096


a(1) = 1, a(2) = 2, a(n+2) = a(n)#*#a(n+1) where #*# stands for digitwise product of a(n) and a(n+1).


1



1, 2, 2, 4, 8, 32, 16, 312, 112, 314, 318, 9132, 3316, 273312, 99112, 6327314, 1863318, 62412219132, 2166273316, 4461247273312, 22244244999112, 8824441628186327314, 821283223224271863318, 81616128831243225662412219132, 64614329441512128872166273316
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,2


COMMENTS

0's arising in products like (0*3)=0 are ignored, but those from products like (2*5)=10 are retained.  Sean A. Irvine, Apr 28 2019


LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..40


EXAMPLE

a(7) = 16 and a(8) = 312, then a(9) = 112 as 016#*#312=112, the digit strings are (0*3)=0, (1*1)=1, (6*2)=12.


CROSSREFS

Sequence in context: A032440 A145869 A032439 * A300759 A100799 A070323
Adjacent sequences: A096093 A096094 A096095 * A096097 A096098 A096099


KEYWORD

base,nonn


AUTHOR

Amarnath Murthy, Jun 24 2004


EXTENSIONS

More terms from Sean A. Irvine, Sep 30 2009


STATUS

approved



