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A140892 a(n) = (n-1)^F(n) - F(n)^(n-1), where F(n) = A000045(n). 0
0, 0, 0, 0, 399, 357857, 1286604292, 558545862282195466, 5070602400912917604201018916608, 30432527221704537086371993251530170527181380482652674, 99999999999999999999999999999999999999999999999999999999999999999999968818280070033816399 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..11.

FORMULA

a(n) = (n-1)^A000045(n) - A000045(n)^(n-1). - Jonathan Vos Post, Jul 12 2008

EXAMPLE

a(1) = (1-1)^F(1) - F(1)^(1-1) = 0^1 - 1^0 = 0 - 0 = 0;

a(4) = (4-1)^F(4) - F(4)^(4-1) = 3^3 - 3^3 = 27 - 27 = 0;

a(5) = (5-1)^F(5) - F(5)^(5-1) = 4^5 - 5^4 = 1024 - 625 = 399.

CROSSREFS

Cf. A000045, A007965.

Sequence in context: A249408 A216928 A283384 * A115470 A223284 A061042

Adjacent sequences:  A140889 A140890 A140891 * A140893 A140894 A140895

KEYWORD

nonn,less

AUTHOR

Juri-Stepan Gerasimov, Jul 07 2008

EXTENSIONS

More terms from Jonathan Vos Post, Jul 12 2008

STATUS

approved

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Last modified September 28 19:54 EDT 2021. Contains 347717 sequences. (Running on oeis4.)