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Search: id:A067415
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A067415 Eighth column of triangle A067410. +0
3
1, 9, 144, 2304, 36864, 589824, 9437184, 150994944, 2415919104, 38654705664, 618475290624, 9895604649984, 158329674399744, 2533274790395904, 40532396646334464, 648518346341351424 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)= A067410(n+7, 7). a(n)= 9*16^(n-1), n>=1, a(0)=1.

G.f.: (1-7*x)/(1-16*x).

CROSSREFS

Cf. A067414 (seventh column), A067416 (ninth column), A001025 (powers of 16).

Sequence in context: A050787 A017198 A134176 this_sequence A069134 A034829 A162993

Adjacent sequences: A067412 A067413 A067414 this_sequence A067416 A067417 A067418

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jan 25 2002

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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