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Search: id:A001447
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A001447 (5^n + 5^[ n/2 ] )/2. +0
2
1, 3, 15, 65, 325, 1575, 7875, 39125, 195625, 976875, 4884375, 24415625, 122078125, 610359375, 3051796875, 15258828125, 76294140625, 381469921875, 1907349609375, 9536744140625, 47683720703125 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A083858 A080948 A098102 this_sequence A106732 A052981 A086200

Adjacent sequences: A001444 A001445 A001446 this_sequence A001448 A001449 A001450

KEYWORD

nonn

AUTHOR

njas

page 1

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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