130646

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 two elements, and with new values introduced in order 0 sequentially upwards.at n=4A281537
• T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=40A281540
• Semiprime numbers that are sandwiched between products of exactly 4 distinct primes (or tetraprimes).at n=11A375964