The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A364504 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A364504

Number of tilings of an n X n square using dominoes and trominoes (of any shape).
(history; published version)

#11 by Alois P. Heinz at Thu Jul 27 08:26:01 EDT 2023

STATUS

editing

approved

#10 by Alois P. Heinz at Thu Jul 27 08:25:59 EDT 2023

KEYWORD

nonn,more,new

STATUS

approved

editing

#9 by Alois P. Heinz at Wed Jul 26 19:28:03 EDT 2023

STATUS

editing

approved

#8 by Alois P. Heinz at Wed Jul 26 19:27:59 EDT 2023

NAME

Number of tilings of an n X n square using dominoes and trominoes (of any typeshape).

STATUS

approved

editing

#7 by Alois P. Heinz at Wed Jul 26 19:09:44 EDT 2023

STATUS

editing

approved

#6 by Alois P. Heinz at Wed Jul 26 19:08:30 EDT 2023

CROSSREFS

Cf. A219874, A219994.

#5 by Alois P. Heinz at Wed Jul 26 19:06:37 EDT 2023

LINKS

Wikipedia, <a href="https://en.wikipedia.org/wiki/Domino_(mathematics)">Domino (mathematics)</a>

Wikipedia, <a href="https://en.wikipedia.org/wiki/Tromino">Tromino</a>

#4 by Alois P. Heinz at Wed Jul 26 19:06:09 EDT 2023

NAME

a

Number of tilings of an n X n square using dominoes and trominoes (of any type).

#3 by Alois P. Heinz at Wed Jul 26 19:04:29 EDT 2023

DATA

1, 0, 2, 30, 1294, 215905, 118624712, 239677657279, 1718701020524054, 43796355965749584514, 3986225747511059714872292, 1291654822694833043891279461342, 1491828507298886778780830278188938433

OFFSET

0,13

FORMULA

a(n) = A364457(n,n).

CROSSREFS

Main diagonal of A364457.

#2 by Alois P. Heinz at Wed Jul 26 19:03:14 EDT 2023

NAME

allocated for Alois P. Heinz

a

DATA

2, 30, 1294, 215905

OFFSET

0,1

KEYWORD

allocated

nonn

AUTHOR

Alois P. Heinz, Jul 26 2023

STATUS

approved

editing