Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 7 and every element equal to at least one neighbor.
A146202
Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 7 and every element equal to at least one neighbor.
Terms
- a(0) =0a(1) =6a(2) =10678a(3) =169232a(4) =895970a(5) =3151504a(6) =8793698a(7) =21026206a(8) =44936970a(9) =88129194a(10) =161444970a(11) =279781318a(12) =462998626a(13) =736921490a(14) =1134431954a(15) =1696655150a(16) =2474237338
External references
- oeis: A146202