Half the number of nXnXn triangular binary arrays with each element having no more than two neighbors equal to itself.
A183275
Half the number of nXnXn triangular binary arrays with each element having no more than two neighbors equal to itself.
Terms
- a(0) =1a(1) =4a(2) =16a(3) =67a(4) =277a(5) =1025a(6) =3407a(7) =10265a(8) =28589a(9) =74945a(10) =187583a(11) =453167a(12) =1065257a(13) =2451317a(14) =5546819a(15) =12383627a(16) =27347117a(17) =59851121a(18) =130009223a(19) =280620167a(20) =602424305a(21) =1287187757a(22) =2739013259a(23) =5807246915a(24) =12272861813a(25) =25862365481
External references
- oeis: A183275