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A370257
Number of linear extensions of a 2 X n X n lattice.
1
1, 1, 48, 4877756, 6708527580006468, 424156225450423505435959050352, 3096938799441358561579846157094828974759254946464, 5484145364462132568306927625143954420041387365219384210732084836139460712
OFFSET
0,3
FORMULA
a(n) = A114715(n,n).
CROSSREFS
Main diagonal of A114715.
Sequence in context: A282403 A254625 A165643 * A165047 A291865 A292517
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 13 2024
STATUS
approved