Sum of [ S(n,m)/C(n-1,m-1) ] for m = 1,2,...,n; S(n,m) are Stirling numbers of second kind.

A024423

Sum of [ S(n,m)/C(n-1,m-1) ] for m = 1,2,...,n; S(n,m) are Stirling numbers of second kind.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =6a(4) =11a(5) =26a(6) =61a(7) =160a(8) =445a(9) =1336a(10) =4270a(11) =14523a(12) =52284a(13) =198675a(14) =794062a(15) =3328479a(16) =14594210a(17) =66779087a(18) =318205949a(19) =1575994319a(20) =8098891281a(21) =43115440254a(22) =237435483660

External references