171336

Appears in sequences

• Number of nondecreasing sequences of 6 1..n integers with no element dividing the sequence sum.at n=22A212873
• Number of n X 2 0..2 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 3 and at least one element with value (x(i,j)-1) mod 3, and upper left element zero.at n=15A230813