Third column of triangle A112493 used for e.g.f.s of Stirling2 diagonals.

A112495

Third column of triangle A112493 used for e.g.f.s of Stirling2 diagonals.

Terms

    a(0) =3a(1) =25a(2) =130a(3) =546a(4) =2037a(5) =7071a(6) =23436a(7) =75328a(8) =237127a(9) =735813a(10) =2260518a(11) =6896046a(12) =20933673a(13) =63325051a(14) =191088976a(15) =575625900a(16) =1731858075a(17) =5206059585a(18) =15640198410a(19) =46966732090a(20) =140996664733a(21) =423191320215

External references