Triangle read by rows: T(n,k) = S1(n,k)*2^k, where S1(n,k) is an unsigned Stirling number of the first kind (cf. A008275) (n >= 1, 1 <= k <= n).

A125553

Triangle read by rows: T(n,k) = S1(n,k)*2^k, where S1(n,k) is an unsigned Stirling number of the first kind (cf. A008275) (n >= 1, 1 <= k <= n).

Terms

    a(0) =2a(1) =2a(2) =4a(3) =4a(4) =12a(5) =8a(6) =12a(7) =44a(8) =48a(9) =16a(10) =48a(11) =200a(12) =280a(13) =160a(14) =32a(15) =240a(16) =1096a(17) =1800a(18) =1360a(19) =480a(20) =64a(21) =1440a(22) =7056a(23) =12992a(24) =11760a(25) =5600a(26) =1344a(27) =128a(28) =10080a(29) =52272

External references