Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A081563
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A081563 Second binomial transform of expansion of exp(2cosh(x)). +0
2
1, 2, 6, 20, 78, 332, 1566, 7940, 43518, 253532, 1573566, 10295540, 71069598, 513897932, 3893187486, 30741656420, 252979075518, 2161184079932, 19161309456126, 175782239098580, 1667967153565278, 16331180476591532 (list; graph; listen)
OFFSET

0,2

COMMENT

Binomial transform of A081562.

FORMULA

E.g.f. exp(2x)exp(2cosh(x))/e^2 = exp(2cosh(x)+2x-2).

CROSSREFS

Cf. A000807.

Sequence in context: A150181 A150182 A098469 this_sequence A038393 A027221 A150183

Adjacent sequences: A081560 A081561 A081562 this_sequence A081564 A081565 A081566

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Mar 22 2003

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 December 4 08:07 EST 2009. Contains 170310 sequences.


AT&T Labs Research