Number of (n+1) X (n+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.
A235946
Number of (n+1) X (n+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.
Terms
- a(0) =81a(1) =722a(2) =1494a(3) =2356a(4) =5358a(5) =10420a(6) =21288a(7) =49860a(8) =114312a(9) =228100a(10) =449256a(11) =1104660a(12) =2526024a(13) =5184100a(14) =9904296a(15) =25347060a(16) =57842184a(17) =121308100a(18) =226373736a(19) =597365460a(20) =1361119944a(21) =2899992100a(22) =5319604776a(23) =14353159860a(24) =32669044104a(25) =70376436100
External references
- oeis: A235946