Number of 7 X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
A207175
Number of 7 X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
Terms
- a(0) =14a(1) =196a(2) =546a(3) =3141a(4) =11284a(5) =26866a(6) =98224a(7) =357356a(8) =1032000a(9) =3365824a(10) =11680176a(11) =36617616a(12) =117235264a(13) =392397376a(14) =1266731200a(15) =4070802944a(16) =13377245184a(17) =43530557824a(18) =140684544000a(19) =458843940864
External references
- oeis: A207175