login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A144072 Euler transform of powers of 8. 1
1, 8, 100, 1144, 12906, 141848, 1532276, 16290920, 170938483, 1773107760, 18208004664, 185316171472, 1871103319988, 18756665504080, 186798940872312, 1849265718114736, 18207140415436701, 178355043327697976, 1738966407826985884 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

N. J. A. Sloane, Transforms

FORMULA

G.f.: Product_{j>0} 1/(1-x^j)^(8^j).

MAPLE

with (numtheory): etr:= proc(p) local b; b:=proc(n) option remember; `if`(n=0, 1, add (add (d*p(d), d=divisors(j)) *b(n-j), j=1..n)/n) end end: a:=n-> etr(j->8^j)(n): seq (a(n), n=0..40);

CROSSREFS

8th column of A144074.

Sequence in context: A181034 A083227 A179485 * A060570 A199816 A001575

Adjacent sequences:  A144069 A144070 A144071 * A144073 A144074 A144075

KEYWORD

nonn

AUTHOR

Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 09 2008

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 20:13 EST 2012. Contains 205663 sequences.