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A135487 (n^2+5*n+5)*(2*n+2)!/(n+4)!. 1
19, 232, 3690, 72600, 1705704, 46650240, 1456902720, 51181804800, 1998434592000, 85878536325120, 4028521809312000, 204866151025536000, 11227636547487360000, 659746302934118400000, 41380369671344191488000, 2759500311807527608320000 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

REFERENCES

V. I. Arnold, Smooth function statistics, Funct. Anal. Other. Math., 1 (2006), 111-118.

LINKS

Index entries for doubling substrings

CROSSREFS

Cf. A120420.

Sequence in context: A125431 A104116 A028026 * A025965 A025960 A152494

Adjacent sequences:  A135484 A135485 A135486 * A135488 A135489 A135490

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Feb 21 2008

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Last modified February 16 01:56 EST 2012. Contains 205860 sequences.