A177605 -id:A177605 - cp's OEIS frontend

A177596 Number of permutations of 3 copies of 1..n avoiding adjacent step pattern up, up.

1, 1, 20, 1109, 149777, 40505320, 19324787629, 14885613436177, 17346023517866756, 29095672934852234945, 67554301929824585326841, 210353969049597164741983000, 855886755812900060235077981449, 4452236180954942685194928540509281

Offset: 0

R. H. Hardin, May 10 2010

nonn

Mingjia Yang and Doron Zeilberger, Increasing Consecutive Patterns in Words, arXiv:1805.06077 [math.CO], 2018.
Mingjia Yang, An experimental walk in patterns, partitions, and words, Ph. D. Dissertation, Rutgers University (2020).

Cf. A177605, A177615.

a(10) from Alois P. Heinz, Oct 22 2013

a(0), a(11)-a(13) from Alois P. Heinz, Aug 08 2018

A177615 Number of permutations of 3 copies of 1..n avoiding adjacent step pattern up, up, up, up, up.

Original entry on oeis.org

1, 1, 20, 1680, 369600, 168168000, 137127810959, 182138398520387, 367988956112888200, 1074073326771101149080, 4350318942513425384777400, 23673963203663687592089088600, 168569155472096397352266896207243, 1536148007688582239667327040442799059

Offset: 0

R. H. Hardin, May 10 2010

nonn

Mingjia Yang and Doron Zeilberger, Increasing Consecutive Patterns in Words, arXiv:1805.06077 [math.CO], 2018.
Mingjia Yang, An experimental walk in patterns, partitions, and words, Ph. D. Dissertation, Rutgers University (2020).

Cf. A014606.

Cf. A177596, A177605.

a(10)-a(13) from Alois P. Heinz, Aug 08 2018

cp's OEIS Frontend

A177596 Number of permutations of 3 copies of 1..n avoiding adjacent step pattern up, up.

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