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Search: id:A005055
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A005055 7*5^n. +0
1
7, 35, 175, 875, 4375, 21875, 109375, 546875, 2734375, 13671875, 68359375, 341796875, 1708984375, 8544921875, 42724609375, 213623046875, 1068115234375, 5340576171875, 26702880859375, 133514404296875 (list; graph; listen)
OFFSET

0,1

LINKS

Tanya Khovanova, Recursive Sequences

FORMULA

a(n)=5*a(n-1), n>0 ; a(0)=7 . G.f.: 7/(1-5*x). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 23 2008]

CROSSREFS

Sequence in context: A055421 A110213 A034348 this_sequence A037506 A037689 A051926

Adjacent sequences: A005052 A005053 A005054 this_sequence A005056 A005057 A005058

KEYWORD

nonn,new

AUTHOR

njas

page 1

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.


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