Number of (n+2) X 9 binary arrays with consecutive windows of three bits considered as a binary number nondecreasing in every row and column.
A202460
Number of (n+2) X 9 binary arrays with consecutive windows of three bits considered as a binary number nondecreasing in every row and column.
Terms
- a(0) =2744a(1) =8064a(2) =21972a(3) =54618a(4) =124740a(5) =264822a(6) =528390a(7) =1000023a(8) =1808746a(9) =3145568a(10) =5286030a(11) =8618736a(12) =13680954a(13) =21202494a(14) =32159196a(15) =47837493a(16) =69911652a(17) =100535440a(18) =142450112a(19) =199110774a(20) =274833336a(21) =374964438a(22) =506076906a(23) =676193475a(24) =895041702
External references
- oeis: A202460