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A156275 10^n*Catalan(n). 1
1, 10, 200, 5000, 140000, 4200000, 132000000, 4290000000, 143000000000, 4862000000000, 167960000000000, 5878600000000000, 208012000000000000, 7429000000000000000, 267444000000000000000, 9694845000000000000000 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

FORMULA

a(n)=10^n*A000108(n).

Contribution from Gary W. Adamson, Jul 18 2011: (Start)

a(n) = upper left term in M^n, M = an infinite square production matrix as follows:

  10, 10, 0, 0, 0,...

  10, 10, 10, 0, 0,...

  10, 10, 10, 10, 0,...

  10, 10, 10, 10, 10,...

... (end)

PROG

(MAGMA) [10^n*Catalan(n): n in [0..20]]; // Vincenzo Librandi, Jul 19 2011

CROSSREFS

Cf. A000108, A151374, A005159, A151403, A156058, A156128, A156266, A156270, A156273,

Sequence in context: A079436 A126431 A202436 * A036362 A051262 A178020

Adjacent sequences:  A156272 A156273 A156274 * A156276 A156277 A156278

KEYWORD

nonn

AUTHOR

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Feb 07 2009

EXTENSIONS

Corrected a(15) by Vincenzo Librandi, Jul 19 2011

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Last modified February 17 09:17 EST 2012. Contains 206009 sequences.