72980

Appears in sequences

• Number of Dyck paths of semilength n with no peak at height 4.at n=12A059027
• Smallest term in A005244 having exactly n distinct representations A005244(i)*A005244(j)-1.at n=8A139129
• Number of 4 X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=18A281472