Row 4 of rectangular table A124540; equals the self-convolution 4th power of A124534 (row 4 of table A124530).

A124544

Row 4 of rectangular table A124540; equals the self-convolution 4th power of A124534 (row 4 of table A124530).

Terms

    a(0) =1a(1) =4a(2) =26a(3) =156a(4) =939a(5) =5764a(6) =36248a(7) =233900a(8) =1549193a(9) =10529052a(10) =73390856a(11) =524300728a(12) =3836318617a(13) =28731858368a(14) =220121136396

External references