1/12 the number of n X n arrays of squares of integers with every 2 X 2 subblock summing to 29.
A159228
1/12 the number of n X n arrays of squares of integers with every 2 X 2 subblock summing to 29.
Terms
- a(0) =3a(1) =12a(2) =33a(3) =95a(4) =237a(5) =665a(6) =1669a(7) =4765a(8) =12213a(9) =35557a(10) =92693a(11) =273525a(12) =720597a(13) =2143125a(14) =5679189a(15) =16962005a(16) =45087573a(17) =134958677
External references
- oeis: A159228