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A182544 Triangle read by rows: row n (n>=1) enumerates marked mesh patterns of type R_n^(1,0,2,0). 2

%I #11 Oct 20 2014 17:14:59

%S 1,2,6,22,2,90,26,4,394,232,82,12,1806,1776,1062,348,48,8558,12546,

%T 11118,6022,1836,240

%N Triangle read by rows: row n (n>=1) enumerates marked mesh patterns of type R_n^(1,0,2,0).

%H Sergey Kitaev and Jeffrey Remmel, <a href="http://arxiv.org/abs/1201.1323">Simple marked mesh patterns</a>, arXiv preprint arXiv:1201.1323, 2012

%e Triangle begins:

%e 1

%e 2

%e 6

%e 22 2

%e 90 26 4

%e 394 232 82 12

%e 1806 1776 1062 348 48

%e 8558 12546 11118 6022 1836 240

%e ...

%Y Cf. A006318, A211319, A211320.

%K nonn,tabf,more

%O 1,2

%A _N. J. A. Sloane_, May 04 2012

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Last modified April 24 20:05 EDT 2024. Contains 371963 sequences. (Running on oeis4.)