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A390191
Number of asymmetric polyominoes in {4,5} tessellation of the hyperbolic plane.
4
0, 0, 0, 1, 8, 39, 189, 907, 4348, 21099, 103676, 516314, 2602561, 13265172, 68282899, 354610139, 1856180378, 9785234438, 51915995526, 277044420920
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OFFSET
1,5
LINKS
Table of n, a(n) for n=1..20.
CROSSREFS
Cf.
A119611
,
A390192
,
A390193
,
A390194
.
Sequence in context:
A097787
A215731
A144414
*
A045909
A264091
A353211
Adjacent sequences:
A390188
A390189
A390190
*
A390192
A390193
A390194
KEYWORD
nonn
,
more
AUTHOR
John Mason
, Érika Roldán and Rosemberg Toalá-Enríquez, Oct 30 2025
STATUS
approved
