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A083453 a(n) = (concatenation of numbers from n to 1) - n^n. 0
0, 17, 294, 4065, 51196, 607665, 6830778, 70877105, 600233832, 987654321, 825675983710, 112194887206065, 12818235881062068, 1402009104162096305, 150975227220606794946, 16132966377037278102705 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

For n = 76 we get a negative number. - Stefan Steinerberger, Jun 05 2007

LINKS

Table of n, a(n) for n=1..16.

EXAMPLE

a(4) = 4321 - 256 = 4065.

MATHEMATICA

a = {}; For[n = 1, n < 20, n++, AppendTo[a, FromDigits[Flatten[Table[IntegerDigits[n - i], {i, 0, n - 1}]]] - n^n]]; a (* Stefan Steinerberger, Jun 05 2007 *)

CROSSREFS

Sequence in context: A186000 A222572 A163049 * A090437 A007805 A158585

Adjacent sequences:  A083450 A083451 A083452 * A083454 A083455 A083456

KEYWORD

base,sign

AUTHOR

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 01 2003

EXTENSIONS

More terms from Stefan Steinerberger, Jun 05 2007

STATUS

approved

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Last modified March 28 22:27 EDT 2017. Contains 284249 sequences.