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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
1, 2, 6, 22, 2, 90, 26, 4, 394, 232, 82, 12, 1806, 1776, 1062, 348, 48, 8558, 12546, 11118, 6022, 1836, 240 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..23.

Sergey Kitaev and Jeffrey Remmel, Simple marked mesh patterns, arXiv preprint arXiv:1201.1323, 2012

EXAMPLE

Triangle begins:

1

2

6

22 2

90 26 4

394 232 82 12

1806 1776 1062 348 48

8558 12546 11118 6022 1836 240

...

CROSSREFS

Cf. A006318, A211319, A211320.

Sequence in context: A084392 A156155 A263486 * A216120 A216964 A187250

Adjacent sequences:  A182541 A182542 A182543 * A182545 A182546 A182547

KEYWORD

nonn,tabf,more

AUTHOR

N. J. A. Sloane, May 04 2012

STATUS

approved

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Last modified November 17 00:08 EST 2019. Contains 329209 sequences. (Running on oeis4.)