Number of 3-step one or two space at a time bishop's tours on an n X n board summed over all starting positions.
A187047
Number of 3-step one or two space at a time bishop's tours on an n X n board summed over all starting positions.
Terms
- a(0) =0a(1) =0a(2) =28a(3) =136a(4) =360a(5) =696a(6) =1144a(7) =1704a(8) =2376a(9) =3160a(10) =4056a(11) =5064a(12) =6184a(13) =7416a(14) =8760a(15) =10216a(16) =11784a(17) =13464a(18) =15256a(19) =17160a(20) =19176a(21) =21304a(22) =23544a(23) =25896a(24) =28360a(25) =30936a(26) =33624a(27) =36424a(28) =39336a(29) =42360
External references
- oeis: A187047