89150

Appears in sequences

• Number of (n+2)X4 0..3 arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum.at n=1A187355
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum.at n=4A187356
• a(n) = Sum_{k=0..n} binomial(k, 6*(n-k)).at n=21A293169
• Number of compositions of 7*n into parts 6 and 7.at n=18A373912
• a(n) = Sum_{k=0..floor(n/2)} binomial(k,3*(n-2*k)).at n=42A392253