639142

Appears in sequences

• Number of compositions of n with difference 2 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=19A242842
• Number of n X n 0..1 arrays with no element equal to more than three of its king-move neighbors and with new values introduced in order 0 sequentially upwards.at n=6A281337
• Number of nX7 0..1 arrays with no element equal to more than three of its king-move neighbors and with new values introduced in order 0 sequentially upwards.at n=6A281343