Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.
A207504
Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.
Terms
- a(0) =35a(1) =1225a(2) =9723a(3) =62530a(4) =343310a(5) =1413961a(6) =5715255a(7) =20090516a(8) =67370124a(9) =216796950a(10) =667696708a(11) =2029712814a(12) =6055036914a(13) =17929790545a(14) =52996398729a(15) =156389908011a(16) =463168251873
External references
- oeis: A207504