Triangle of numbers related to triangle A049213; generalization of Stirling numbers of second kind A008277, Bessel triangle A001497.

A000369

Triangle of numbers related to triangle A049213; generalization of Stirling numbers of second kind A008277, Bessel triangle A001497.

Terms

    a(0) =1a(1) =3a(2) =1a(3) =21a(4) =9a(5) =1a(6) =231a(7) =111a(8) =18a(9) =1a(10) =3465a(11) =1785a(12) =345a(13) =30a(14) =1a(15) =65835a(16) =35595a(17) =7650a(18) =825a(19) =45a(20) =1a(21) =1514205a(22) =848925a(23) =196245a(24) =24150a(25) =1680a(26) =63a(27) =1a(28) =40883535a(29) =23586255

External references