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A144041 Shifts left when Euler transform applied 9 times. 1
0, 1, 1, 10, 64, 529, 4270, 37078, 328765, 2997844, 27840748, 262746590, 2511753957, 24274552279, 236771528856, 2327857190814, 23045073461778, 229523320443974, 2298252776303916, 23122596000124215, 233629865440550370 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

LINKS

N. J. A. Sloane, Transforms

MAPLE

k:=9: with (numtheory): etr:= proc(p) local b; b:=proc(n) option remember; local d, j; if n=0 then 1 else add (add (d*p(d), d=divisors(j)) *b(n-j), j=1..n)/n fi end end: a:='a': b[1]:=etr(a): for t from 2 to k do b[t]:= etr(b[t-1]) od: a:= n-> `if`(n<2, n, b[k](n-1)): seq (a(n), n=0..30);

CROSSREFS

9th column of A144042.

Sequence in context: A061183 A155618 A199487 * A033863 A033908 A058920

Adjacent sequences:  A144038 A144039 A144040 * A144042 A144043 A144044

KEYWORD

eigen,nonn

AUTHOR

Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 07 2008

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Last modified February 15 03:22 EST 2012. Contains 205694 sequences.