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A269127 Number of sequences with n copies each of 1,2,...,9 avoiding the pattern 12...9. 2
1, 362879, 12498099730471, 1072323973643442736211, 135383475007869462606521105767, 20584293980310480336378076914369061769, 3413618982844502796240740610191874586048936771, 586566986371155102435901052470650279895779757665905993 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..50

FORMULA

a(n) = A071551(n) - A268845(n).

CROSSREFS

Row n=9 of A269129.

Cf. A071551, A268845.

Sequence in context: A235197 A263213 A109160 * A110453 A110452 A011520

Adjacent sequences:  A269124 A269125 A269126 * A269128 A269129 A269130

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Feb 19 2016

STATUS

approved

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Last modified October 19 22:05 EDT 2021. Contains 348095 sequences. (Running on oeis4.)