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Search: id:A033934
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A033934 10^(2n)+2*10^n+1. +0
2
4, 121, 10201, 1002001, 100020001, 10000200001, 1000002000001, 100000020000001, 10000000200000001, 1000000002000000001, 100000000020000000001, 10000000000200000000001 (list; graph; listen)
OFFSET

0,1

FORMULA

a(n) = A062397(n)^2 = A066138(n)+A011557(n)

CROSSREFS

Sequence in context: A017186 A098839 A071129 this_sequence A144508 A080179 A144993

Adjacent sequences: A033931 A033932 A033933 this_sequence A033935 A033936 A033937

KEYWORD

base,nonn

AUTHOR

Jeff Burch (gburch(AT)erols.com)

EXTENSIONS

Better description from Henry Bottomley (se16(AT)btinternet.com), Dec 07 2001

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Last modified November 22 14:50 EST 2009. Contains 167310 sequences.


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