233480

Appears in sequences

• Number of nX3 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=9A230814
• Expansion of Product_{k>=0} (1 + x^(5^k))^(5^(k+1)).at n=30A321357