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A070283 a(1) = 1; a(2) = 2; a(n) = [product of digits of a(n-1)]^[product of digits of a(n-2)] for n > 2. 0
1, 2, 2, 4, 16, 1296, 1586874322944 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

MATHEMATICA

a[n_] := (Times @@ IntegerDigits[a[n - 1]])^(Times @@ IntegerDigits[a[n - 2]]); a[1] = 1; a[2] = 2; Table[a[n], {n, 1, 7}]

CROSSREFS

Cf. A070282.

Sequence in context: A165420 A171163 A129614 * A070282 A051285 A079556

Adjacent sequences:  A070280 A070281 A070282 * A070284 A070285 A070286

KEYWORD

base,nonn

AUTHOR

Joseph L. Pe, May 09 2002

EXTENSIONS

Edited by Robert G. Wilson v, May 14 2002

The next term is too large to include.

STATUS

approved

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Last modified September 17 11:28 EDT 2014. Contains 246841 sequences.