1941406508

Appears in sequences

• Number of linear extensions of a 2 X 2 X n lattice.at n=6A114714
• Number A(n,m) of linear extensions of a 2 X n X m lattice; square array A(n,m), n>=1, m>=1, read by antidiagonals.at n=22A114715
• Number A(n,m) of linear extensions of a 2 X n X m lattice; square array A(n,m), n>=1, m>=1, read by antidiagonals.at n=26A114715
• Distinct values in A114717 in order of appearance.at n=21A119841