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A175987 a(1) = 1, for n >= 2: a(n) = (a(n-1)-1)^n - 1. 0
1, -1, -9, 9999, 99900039992000799967 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

a(6) has 120 digits.

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

For n = 4: a(4) = (-9-1)^4 - 1 = 9999.

CROSSREFS

Sequence in context: A240091 A263438 A137063 * A321618 A055320 A271717

Adjacent sequences: A175984 A175985 A175986 * A175988 A175989 A175990

KEYWORD

sign

AUTHOR

Jaroslav Krizek, Nov 03 2010

STATUS

approved

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Last modified December 1 01:13 EST 2022. Contains 358453 sequences. (Running on oeis4.)