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A268427 Number of polyominoes that will fit in a square of size n X n. 3
1, 4, 35, 1280, 263140 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A268416 gives the number of polyominoes that fill fit inside a square n X n, but with the restriction that they have their edges aligned with the sides of the square. The current sequence removes the restriction, and hence differs from A268416 at a(5), which is 848 greater here. See link "Explanation of a(5)".

LINKS

Table of n, a(n) for n=1..5.

John Mason, Explanation of a(5)

CROSSREFS

Cf. A268416.

Sequence in context: A076818 A005026 A268416 * A123745 A183882 A053426

Adjacent sequences:  A268424 A268425 A268426 * A268428 A268429 A268430

KEYWORD

nonn,more

AUTHOR

John Mason, Feb 04 2016

STATUS

approved

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Last modified November 12 17:06 EST 2019. Contains 329058 sequences. (Running on oeis4.)