Number of nX5 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
A281537
Number of nX5 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =2a(1) =612a(2) =14561a(3) =52529a(4) =130646a(5) =290073a(6) =610493a(7) =1274531a(8) =2667156a(9) =5549073a(10) =11333101a(11) =22677459a(12) =44625082a(13) =86892393a(14) =168012940a(15) =322971613a(16) =616923324a(17) =1170830552a(18) =2208492442a(19) =4144258432a(20) =7742439594a(21) =14409433203a(22) =26720926188a(23) =49383541627
External references
- oeis: A281537