login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A081993 a(n) = sum of numbers formed using the digits of next n numbers. 2
1, 55, 3330, 5833350, 11199999998880, 642096000000065520, 84083999999999159160, 853092240000000006366360, 21033492480000000001383782400, 181960466688000000000107035568640 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

a(3) = 456+465+546+564+645+654 = 3330.

CROSSREFS

Cf. A081991, A081992.

Sequence in context: A212736 A221767 A095659 * A060077 A035323 A250833

Adjacent sequences:  A081990 A081991 A081992 * A081994 A081995 A081996

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Apr 05 2003

EXTENSIONS

More terms from David Wasserman, Jul 28 2004

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 24 12:20 EDT 2020. Contains 337318 sequences. (Running on oeis4.)