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Search: id:A155698
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A155698 a(n)=a(n-1)+a(n-2)^a(n-3); a(1)=a(2)=a(3)=1 +0
1
1, 1, 1, 2, 3, 5, 14, 139, 537963, 1005095210669462420559310863604 (list; graph; listen)
OFFSET

0,4

COMMENT

a(11) has 797 digits and is too large to include.

FORMULA

a(n)=a(n-1)+a(n-2)^a(n-3)

EXAMPLE

a(6)=3+2^1=5

CROSSREFS

Sequence in context: A143743 A104870 A114411 this_sequence A099410 A102033 A072246

Adjacent sequences: A155695 A155696 A155697 this_sequence A155699 A155700 A155701

KEYWORD

nonn

AUTHOR

Avik Roy (avik_3.1416(AT)yahoo.co.in), Jan 25 2009

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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