Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A075272
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A075272 BinomialMean (BM) transform of A075271, which see for the definition of (BM). +0
4
1, 2, 6, 34, 422, 11586, 678982, 82653026, 20565923814, 10362872458882, 10517568142605446, 21434335059927667362, 87558678536857464017446, 716228573446369122069676994, 11725371140175829761708518252742 (list; graph; listen)
OFFSET

0,2

COMMENT

a(n)=2*A075271(n-1), for n>=1.

REFERENCES

Michael Z. Spivey and Laura L. Steil, The k-Binomial Transforms and the Hankel Transform, Journal of Integer Sequences, Vol. 9 (2006), Article 06.1.1.

FORMULA

G.f.: Sum(x^n*Product(2^i/(1+(2^i-1)*x),i=1..n),n=0..infinity). - Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 10 2008

MAPLE

iBM:= proc(p) proc (n) option remember; add (2^(k) *p(k) *(-1)^(n-k) *binomial(n, k), k=0..n) end end: a:='a': aa:= iBM(a): a:= n-> `if`(n=0, 1, 2*aa(n-1)): seq (a(n), n=0..16); [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 09 2008]

CROSSREFS

Cf. A075271.

Sequence in context: A052878 A076863 A118186 this_sequence A101262 A135965 A018983

Adjacent sequences: A075269 A075270 A075271 this_sequence A075273 A075274 A075275

KEYWORD

nonn

AUTHOR

John W. Layman (layman(AT)math.vt.edu), Sep 11 2002

EXTENSIONS

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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 24 14:25 EST 2009. Contains 167438 sequences.


AT&T Labs Research