Row 2 of table A124560; also, the self-convolution square equals A124552, which is row 2 of table A124550.

A124562

Row 2 of table A124560; also, the self-convolution square equals A124552, which is row 2 of table A124550.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =12a(4) =63a(5) =429a(6) =3716a(7) =40272a(8) =541655a(9) =9022405a(10) =186233087a(11) =4771577072a(12) =152050410552

External references