Triangle T, read by rows, where column k of T = column 0 of T^(k+1) for k>0, with column 0 of T = column 0 of T^4 shift right.
A138271
Triangle T, read by rows, where column k of T = column 0 of T^(k+1) for k>0, with column 0 of T = column 0 of T^4 shift right.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =2a(5) =1a(6) =28a(7) =10a(8) =3a(9) =1a(10) =268a(11) =78a(12) =18a(13) =4a(14) =1a(15) =3164a(16) =798a(17) =156a(18) =28a(19) =5a(20) =1a(21) =43672a(22) =9874a(23) =1714a(24) =268a(25) =40a(26) =6a(27) =1a(28) =682632a(29) =141282
External references
- oeis: A138271