133850

Appears in sequences

• Variation of Boustrophedon transform applied to all-1's sequence (see Comments for details).at n=9A059216
• Number of (n+2) X (n+2) binary matrices with every 3 X 3 block having exactly four 1's.at n=5A181254
• Number of (n+2)X8 binary matrices with every 3X3 block having exactly four 1's.at n=5A181260
• Number of (n+1) X (1+1) 0..1 arrays with the difference of the upper and lower median value of each 2 X 2 subblock in lexicographically nondecreasing order rowwise and columnwise.at n=9A235566