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A068444 a(0) = 10; for n>0, a(n) = n*a(n-1)-n-2. 0
10, 7, 10, 25, 94, 463, 2770, 19381, 155038, 1395331, 13953298, 153486265, 1841835166, 23943857143, 335213999986, 5028209999773, 80451359996350, 1367673119937931, 24618116158882738, 467744207018772001 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

From a quiz.

LINKS

Table of n, a(n) for n=0..19.

PROG

(PARI) s=10; for(n=1, 30, s=n*s-n-2; print1(s, ", "); );

CROSSREFS

Sequence in context: A089245 A098592 A016731 * A210285 A190996 A210283

Adjacent sequences:  A068441 A068442 A068443 * A068445 A068446 A068447

KEYWORD

nonn,easy

AUTHOR

Nancy Zhang, Feb 24 2002

EXTENSIONS

More terms from Benoit Cloitre, Mar 10 2002

STATUS

approved

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Last modified May 23 08:54 EDT 2013. Contains 225586 sequences.