Array T read by diagonals, n-th difference of (T(k,n),T(k,n-1),...,T(k,0)) is (k+n)^2, for n=1,2,3,...; k=0,1,2,...
A048505
Array T read by diagonals, n-th difference of (T(k,n),T(k,n-1),...,T(k,0)) is (k+n)^2, for n=1,2,3,...; k=0,1,2,...
Terms
- a(0) =1a(1) =2a(2) =1a(3) =7a(4) =5a(5) =1a(6) =25a(7) =18a(8) =10a(9) =1a(10) =81a(11) =56a(12) =35a(13) =17a(14) =1a(15) =241a(16) =160a(17) =101a(18) =58a(19) =26a(20) =1a(21) =673a(22) =432a(23) =269a(24) =160a(25) =87a(26) =37a(27) =1a(28) =1793a(29) =1120
External references
- oeis: A048505