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A330327
a(1)=1; thereafter a(n) = (product of digits of b(n))*(product of digits of b(n-1)), where b = A329804.
2
1, 2, 6, 0, 0, 24, 0, 0, 45, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 192, 0, 0, 96, 0, 0, 24, 108, 0, 0, 0, 0, 135, 0, 0, 0, 0, 60, 72, 0, 0, 0, 0, 0, 0, 96, 0, 0, 0, 0, 112, 0, 0, 0, 0, 168, 36, 0, 0, 48, 0, 0, 0, 0, 0, 0, 672, 0, 0, 160, 0, 0, 0, 0, 0, 0, 576, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 600
OFFSET
1,2
COMMENTS
By definition, a(n) is also equal to the product of the digits of A330326(n).
LINKS
CROSSREFS
Sequence in context: A208279 A186502 A165733 * A039907 A072340 A118354
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Dec 12 2019
STATUS
approved