236858

Appears in sequences

• Number of nX5 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=9A281136
• Expansion of 1/(1 + 1/(1 - x) - Product_{k>=1} 1/(1 - x^k)).at n=18A317535