Number of (n+6)X(n+6) 0..2 matrices with each 7X7 subblock idempotent.
A224637
Number of (n+6)X(n+6) 0..2 matrices with each 7X7 subblock idempotent.
Terms
- a(0) =145121216a(1) =1268962a(2) =1800748a(3) =2157776a(4) =2323256a(5) =2397590a(6) =2432656a(7) =2451680a(8) =3552688
External references
- oeis: A224637