Two column recursive array A(n,k), relating expressions based on half-squares (A007590) to each other and several other sequences, read by rows.
A227972
Two column recursive array A(n,k), relating expressions based on half-squares (A007590) to each other and several other sequences, read by rows.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =2a(6) =3a(7) =4a(8) =5a(9) =7a(10) =7a(11) =10a(12) =17a(13) =24a(14) =29a(15) =41a(16) =41a(17) =58a(18) =99a(19) =140a(20) =169a(21) =239a(22) =239a(23) =338a(24) =577a(25) =816a(26) =985a(27) =1393a(28) =1393a(29) =1970
External references
- oeis: A227972