502864

Appears in sequences

• Number of palindromes that use nonzero digits and have a digit sum of n.at n=37A082267
• Number of palindromes that use nonzero digits and have a digit sum of n.at n=38A082267
• Number of nX6 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=3A206869
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=39A206871
• Number of 4Xn 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=5A206873
• Number of tilings using monominoes and L-trominoes in 2 X n chessboard, such that three monominoes cannot occur together in shape of L-tromino.at n=16A227959
• 9-step Fibonacci sequence starting with 0,0,0,0,1,0,0,0,0.at n=28A251749