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A269113 Number of sequences with 3 copies each of 1,2,...,n avoiding the pattern 12...n. 2
0, 0, 1, 374, 173891, 117392909, 117108036719, 171248808285596, 360953073372968159, 1072323973643442736211, 4376906243609822466600689, 23919710914189027455648239834, 170865299381465355439286870245691, 1561721420156259852074018974532765369 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..165

FORMULA

a(n) = A014606(n) - A047910(n).

CROSSREFS

Column k=3 of A269129.

Cf. A014606, A047910.

Sequence in context: A045284 A210885 A093237 * A268751 A249550 A045200

Adjacent sequences:  A269110 A269111 A269112 * A269114 A269115 A269116

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Feb 19 2016

STATUS

approved

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Last modified May 26 13:59 EDT 2022. Contains 354092 sequences. (Running on oeis4.)