1135788

Appears in sequences

• Trajectory of 3 under map n->25n+1 if n odd, n->n/2 if n even.at n=21A037110
• 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=10A230814