Triangle read by rows: a non-Riordan array serving as a counterexample to a conjecture about Riordan arrays.
A235608
Triangle read by rows: a non-Riordan array serving as a counterexample to a conjecture about Riordan arrays.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =10a(4) =5a(5) =1a(6) =62a(7) =31a(8) =7a(9) =1a(10) =430a(11) =215a(12) =51a(13) =10a(14) =1a(15) =3194a(16) =1597a(17) =389a(18) =87a(19) =12a(20) =1a(21) =24850a(22) =12425a(23) =3077a(24) =740a(25) =117a(26) =15a(27) =1a(28) =199910a(29) =99955
External references
- oeis: A235608