Row sums of Sheffer triangle S2[4,1] = A285061.

A285064

Row sums of Sheffer triangle S2[4,1] = A285061.

Terms

    a(0) =1a(1) =5a(2) =41a(3) =429a(4) =5329a(5) =75989a(6) =1215481a(7) =21453693a(8) =412820385a(9) =8579772325a(10) =191166679497

External references