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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A028248 Expansion of exp(exp(exp(x) - 1 - x) - 1). 1
1, 0, 1, 1, 7, 21, 126, 638, 4264, 28983, 226018, 1872300, 16940661, 163461455, 1688378030, 18501971647, 214749109038, 2628228896227, 33832314246857, 456730760934125, 6451399211318995, 95135434800384144 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Table of n, a(n) for n=0..21.

CROSSREFS

Sequence in context: A001693 A321521 A061961 * A267609 A032032 A084711

Adjacent sequences:  A028245 A028246 A028247 * A028249 A028250 A028251

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 21 09:11 EST 2018. Contains 317431 sequences. (Running on oeis4.)