63496

Appears in sequences

• Number of different, not necessarily connected, unlabeled trivalent diagrams of size n.at n=20A121352
• Number of nondecreasing arrangements of n+3 numbers in 0..5 with each number being the sum mod 6 of three others.at n=17A183900
• Mirror of the triangle A193858.at n=48A193859
• Number of (n+2) X (3+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically.at n=6A253362
• Number of (n+2)X(7+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically.at n=2A253366
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically.at n=38A253367