T(n,k)=Number of nXk 0..2 arrays with every element value z a city block distance of exactly z from another element value z.

A209476

T(n,k)=Number of nXk 0..2 arrays with every element value z a city block distance of exactly z from another element value z.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =5a(4) =13a(5) =5a(6) =10a(7) =93a(8) =93a(9) =10a(10) =21a(11) =635a(12) =2262a(13) =635a(14) =21a(15) =46a(16) =4357a(17) =46470a(18) =46470a(19) =4357a(20) =46a(21) =97a(22) =27989a(23) =872155a(24) =2497939a(25) =872155a(26) =27989a(27) =97a(28) =207a(29) =175599

External references