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Search: id:A070282
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A070282 a(1) = 1; a(2) = 2; a(n) = [sum of digits of a(n-1)]^[sum of digits of a(n-2)] for n > 2. +0
2
1, 2, 2, 4, 16, 2401, 823543, 6103515625, 193630125104980427932766033374162714624, 121679161406852748316898260838871037524995421354288562472420444438058627601 (list; graph; listen)
OFFSET

1,2

MATHEMATICA

a[n_] := (Plus @@ IntegerDigits[a[n - 1]])^(Plus @@ IntegerDigits[a[n - 2]]); a[1] = 1; a[2] = 2; Table[ a[n], {n, 1, 10}]

CROSSREFS

Sequence in context: A165420 A129614 A070283 this_sequence A051285 A079556 A052628

Adjacent sequences: A070279 A070280 A070281 this_sequence A070283 A070284 A070285

KEYWORD

base,nonn

AUTHOR

Joseph L. Pe (joseph_l_pe(AT)hotmail.com), May 09 2002

EXTENSIONS

Edited by Robert G. Wilson v (rgwv(AT)rgwv.com), May 14 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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