Central terms of triangle A093628, in which the diagonals are equal to the Euler transform of the rows.

A093630

Central terms of triangle A093628, in which the diagonals are equal to the Euler transform of the rows.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =13a(4) =39a(5) =159a(6) =657a(7) =3192a(8) =16935a(9) =98296a(10) =631531a(11) =4320963a(12) =32517883a(13) =257323288a(14) =2216360166a(15) =19945970812a(16) =193524780624

External references