Triangle T, read by rows, where column k of matrix power T^( k(k+1)/2 ) equals left-shifted column (k-1) of T for k>=1.

A126460

Triangle T, read by rows, where column k of matrix power T^( k(k+1)/2 ) equals left-shifted column (k-1) of T for k>=1.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =3a(7) =3a(8) =1a(9) =1a(10) =21a(11) =21a(12) =6a(13) =1a(14) =1a(15) =274a(16) =274a(17) =75a(18) =10a(19) =1a(20) =1a(21) =5806a(22) =5806a(23) =1565a(24) =195a(25) =15a(26) =1a(27) =1a(28) =182766a(29) =182766

External references