141308

Appears in sequences

• a(n) = a(n-1) + 6*a(n-2) for n >= 2, a(0)=1, a(1)=2.at n=11A133467
• Number of nondecreasing integer sequences of length 21 with sum zero and sum of absolute values 2n.at n=17A158155
• Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,5,1,1,1,1,0 for x=0,1,2,3,4,5,6.at n=6A197971